Answer:Actions like driving electric and hybrid vehicles, installing solar panels on and properly insulating places like business and home, and using energy-efficient appliances are all smaller-scale changes that you can make to reduce your nonrenewable resource
write downany two organisms which shows binary fission
Answer:
Amoeba and Paramecium
Answer:
Amoeba,
Euglena
Explanation:
In biology, binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells, each having the potential to grow to the size of the original cell. ... Binary fission is common among prokaryotes, e.g. archaea, eubacteria, cyanobacteria, and certain protozoans (e.g. amoeba)
How does microwave radiation affect the germination of radish seeds?
Microwave radiation can have both positive and negative effects on the germination of radish seeds, depending on the intensity and duration of exposure.
Positive effects:
Microwave radiation has been shown to increase the germination rate and speed of radish seeds in some studies.Short-term exposure to low-intensity microwave radiation may stimulate the enzymes and metabolic activity in the seeds, leading to faster and more uniform germination.Microwave radiation may also help to break down the seed coat and promote the uptake of water and nutrients, which can facilitate germination.Negative effects:
Long-term or high-intensity exposure to microwave radiation can have negative effects on the germination of radish seeds.Prolonged exposure to high-intensity microwave radiation can damage the cellular structure of the seeds and inhibit germination.Excessive exposure to microwave radiation can also lead to the production of reactive oxygen species (ROS) and oxidative stress, which can cause cellular damage and impair germination.Overall, the effect of microwave radiation on the germination of radish seeds is complex and depends on the intensity and duration of exposure. While low-intensity and short-term exposure may have positive effects, prolonged or high-intensity exposure can have negative effects and inhibit germination. Further research is needed to determine the optimal conditions for using microwave radiation to enhance the germination of radish seeds.
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Helppp a b c or d? Helppppppppo
Answer:
A
Explanation:
ppl were scared that japenece ppl were spies with no evidence
Answer:
b
Explanation:
after the bombing of Pearl Harbor you couldn't trust anyone that was Japanese because there was a chance they were a spy
1. Rocky Mountain spotted fever is a bacterial infection transmitted by a tick. What type of symbiosis occurs between a deer and the tick?
A. Mutualism
B. Commensalism
C. Parasitism
2. The oxpecker is a bird that eats the insects off the back of a zebra or rhino? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
3. Humans have “good” bacteria in their digestive tract, which assists in digesting food. The bacteria thrive there. What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
4. Barnacles attach themselves to whales in order to be where food is available and also for transportation. This does not hurt the whale? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
Mutualism examples
Answer:
1. C
2. A
3. A
4. B
Explanation:
hope this helps. ♥️
Parasitism is the type of symbiosis that occurs between a deer and the tick. So, the correct option is C. This is because bacteria infect their host cell which is found in Deer.
What do you mean by Symbiosis?Symbiosis may be defined as a relative ecological association between the individuals of two or more different species.
The type of symbiotic relationship found between oxpecker and zebra is Mutualism. This is because oxpecker is able to get its prey (food), while zebra is benefitted from the removal of insects from their body. So, the correct option is A.
The type of symbiotic relationship between Humans and bacteria living in their digestive tract is Mutualism. This is because Humans are benefitted from bacteria as they assist in digesting food, while bacteria also benefit to find a proper place where unlimited food is available. So, the correct option is A.
The type of symbiotic relationship between Barnacles and whales is Commensalism. This is because Barnacles are benefitted from excess food and easy transportation, while whales are neither benefitted nor harmed by this relationship. So, the correct option is B.
Therefore, each of the questions are properly described above.
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A local area contains a stable desert biome. The residents often use hiking trails through the dessert for exercise. Many of the residents complain about the numerous cacti in the area, stating that their pets often get too close they get cactus needles stuck on their face causing injury. The residents have suggested removing all the cacti from the area. The city council is considering this and has consulted a local ecologist who has constructed the food web shown.
Which of the following statements correctly identifies a concern the ecologist may have about the proposed plan to remove all cacti?
Group of answer choices
A)More grass will grow eliminating the desert environment.
B)The removal of producers will affect all other trophic levels.
C)More of the available energy in the food web will be lost metabolism.
D)Grasshoppers will no longer have a food source.
Answer:
B
Explanation:
The correct answer would be that the removal of producers will affect all other trophic levels.
Cacti belong to a group of organisms known as the producer because they have the capacity to manufacture their foods through photosynthesis. The producers form the basis of a typical food chain on which other organisms in the food chain directly or indirectly depend.
The removal of cacti will lead to a reduction in the number of producers in the environment and this will directly impact the organisms in other trophic levels whose source of energy directly or indirectly depends on the producers.
The correct option is B.
External sources, such as radiation or chemicals, can cause mutations in genes or entire chromosomes. For a mutation to pass on to offspring, it must occur in a -
cell that gives rise to gametes (sperm or egg cells) in the organism. This is because mutations that occur in somatic cells (non-reproductive cells) are not passed on to offspring.
A mutation that takes place in a cell that produces gametes is passed on to the following generation's genetic makeup. This implies that mutations that were present in a parent's gametes at the moment of conception can be passed down to kids.
It is crucial to understand that not every mutation that takes place in gametes gets passed on to children. Certain mutations have the potential to be fatal or to cause serious health issues, which could lead to early embryonic or fetal death. Some mutations might not affect the creature at all or might only have a modest, difficult-to-see effect.
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PLS HELPP
What part of the cell membrane helps a cell communicate with other.
A) Phosphate heads
B) Fatty acids tails
C) Cholesterol
D) Glycoproteins
Answer:
D) Glycoproteins.
Explanation:
These are proteins that are attached to the cell membrane and are used for cell-to-cell communication, as well as recognition and adhesion. They can also function as receptors for hormones and other signaling molecules.
What do the variables in the hardy-weinberg equation represent? p p2 q q2 2pq frequency of the homozygous recessive genotype frequency of the heterozygous genotype frequency of the recessive allele frequency of the dominant allele frequency of the homozygous dominant genotype.
According to Hardy-Weinberg equation,
p² + 2pq + q² = 1
The dominant allele frequency is denoted by p.
The frequency of the recessive allele is represented by q.
The genotypic frequency of the homozygous recessive is q²
The genotypic frequency of the homozygous dominant is p²
2pq is the genotype frequency for heterozygotes.
What is the formula for the frequency of alleles?The Hardy-Weinberg equation, which reads as p2 + 2pq + q2 = 1, describes the frequency of alleles and how they are divided into genotypes within a population. The two variables p and q stand in for alleles, while p2, 2pq, and q2 stand for genotypes.
Genes are composed of DNA sequences that can exist in a variety of alleles. An organism's phenotype is made up of the proteins that are formed from the amino acids that make up the genotype, which are translated from the DNA that makes up the genotype into mRNA and then into translated amino acids by rRNA. New alleles are created by mutations in DNA sequences, which also affect the corresponding mRNA and the protein they encode. Evolution may take place within populations through genetic drift, selective mating, and natural selection.
Over time, some alleles in a population become fixed. Allelic frequencies remain constant over a number of generations in a Hardy-Weinberg equilibrium for a particular gene that is not evolving. Mutations do not happen in the population during this time.
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Which of the following is an example of abiotic factors affecting an ecosystem? I. quantity and quality of water II. amount of light available III. nitrogen fixing bacteria IV. quantity of mineral A. I and II only B. I, II, and III only C. I, II, and IV only D. I, II, III, and IV
Which of the following is an example of abiotic factors affecting an ecosystem?
ANSWERThe correct answer is letter C. I, II, and IV only.
III. Nitrogen-fixing bacteria is an example of a living being (biotic) , so it isn't an abiotic factor that affects the ecosystem. While quantity, quality of water, amount of light (sunlight), and quantity of mineral in the soil are all examples of abiotic factors (non-living elements) that make difference in the environment.
Define plumule, radicle, coleoptile, coleorhiza, hypocotyl, after-ripening, stratification, and vivipary.
Plumule: Embryonic shoot; Radicle: Embryonic root; Coleoptile: Sheath covering shoot; Coleorhiza: Sheath covering root; Hypocotyl: Connection between root and shoot. After-ripening: Maturation of dormant seeds. Stratification: Controlled seed exposure to break dormancy. Vivipary: Seeds germinate while attached.
1. Plumule: The embryonic shoot of a plant found within a seed, which eventually develops into the stem and leaves.
2. Radicle: The embryonic root of a plant found within a seed, which grows downward to anchor the plant and absorb water and nutrients from the soil.
3. Coleoptile: A protective sheath that covers the emerging shoot (plumule) in certain monocot plants, aiding in the penetration of the soil during germination.
4. Coleorhiza: A protective sheath that surrounds the radicle in certain monocot plants, facilitating the penetration of the soil during germination.
5. Hypocotyl: The region of a plant embryo situated between the radicle and the cotyledons, which serves as the connection between the root and the shoot.
6. After-ripening: The process in which dormant seeds undergo a period of maturation or aging, leading to changes in their physiological state that promote successful germination and growth.
7. Stratification: The controlled exposure of seeds to specific environmental conditions, such as cold and moist conditions, to simulate natural winter conditions and break seed dormancy, enhancing germination.
8. Vivipary: A reproductive adaptation in certain plants where seeds germinate while still attached to the parent plant, allowing them to establish themselves before being dispersed.
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Explain how animal poisons work on the cell membrane.
Animal poisons work on the cell membrane by causing reaction with it which damages the structure of the cell membrane.
What actions of the poisons occur on the membrane?The structures of poisons are not similar to those chemicals that are essential to cells. Very few poisons are absorbed by active transport when a toxic level of the chemical is collected in the cells of the specific tissue or organ, which results in the disrupts of the cell from its normal structure or function. Symptoms of poisonous chemicals then develop, and, if the toxicity is severe , death may occur. Diffusion, facilitated diffusion, active transport are the types of chemical transport systems through cell membranes. Lipophilic is a nonpolar chemicals that dissolve in the lipid bilayer.
So we can conclude that animal poisons are neurotoxic that cause actions on the cell membrane.
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water cycle gizmo____
evaporation
condensation precipitation melting
freezing
The Water Cycle Gizmo is an online interactive tool that allows users to explore and understand the processes of evaporation, condensation, precipitation, melting, and freezing in the water cycle.
The Water Cycle Gizmo is an educational tool designed to help students and teachers understand the water cycle. It is an online interactive simulation that allows users to explore the different processes involved in the water cycle. The gizmo includes animations and interactive diagrams that illustrate how water moves through the different stages of the cycle, including evaporation, condensation, precipitation, melting, and freezing.
Users can manipulate the gizmo to observe how changes in temperature, pressure, and other factors affect the water cycle. The Water Cycle Gizmo is a useful teaching aid for students learning about the water cycle in science class. It provides a visual and interactive way for students to understand the complex processes involved in this important natural phenomenon.
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rocks from which source would most likely contain the highest percentage of iron-bearing minerals
A. a valley
B. A mountain
C. The ocean floor
D. A continental margin
Ocean floor is the rocks from which source would most likely contain the
highest percentage of iron-bearing minerals.
Iron formation in Ocean floorIron are formed as thin banded forms in the ocean floor as a result of the
formation of oxygen through organisms present in the ocean such as
cyanobacteria. The oxygen formed result in the formation of these iron ores.
The iron-bearing minerals include the following:
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Which of the following is considered the first receiver for the nicotine in a smocking person?
1.left atrium
2.right atrium
3.left ventricle
4.right ventricle
Answer:
i think nicotine travels through blood and we know blood reaches the right ventricle first
maybe right ventricle
a greasy and dirty pot results after cooking. this will be cleaned by dishwashing detergent. how does the soap work?
A detergent works by solubulizing grease and forming an emulsion of the grease with water.
A detergent is commonly used as a cleaning agent. Every detergent consists of a hydrophobic tail and a hydrophilic head. The hydrophilic head is capable of interaction with water hence the detergent can dissolve in water. Its hydrophobic tail is capable of interaction with grease.
A detergent works by agglomerating its molecules into micelles which dissolve the grease. Mechanic scrubbing completely eliminates the grease creating an emulsion with water.
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What is the role of bitechnology in the environment
Answer:
i already answer but here you go again
it addresses environmental problems, such as the removal of pollution, renewable energy generation or biomass production, by exploiting biological processes.
Explanation:
if the numerous microbes that inhabit the human body were destroyed, either because of use of medications or environmental influences, the likely effect would be
The consequences of destroying the numerous microbes that inhabit the human body could be far-reaching and detrimental to the overall health and well-being of an individual.
Firstly, these microbes play a crucial role in maintaining a healthy immune system and providing protection against harmful pathogens. Without these beneficial microbes, the body may become more susceptible to infections, leading to a weakened immune system.
Secondly, the gut microbiome, in particular, plays a significant role in the digestion and absorption of nutrients, and the regulation of metabolism. If the gut microbes were destroyed, it could lead to malnutrition and metabolic disorders such as obesity and type 2 diabetes.
Thirdly, recent research has suggested that the microbiome plays a role in mental health and cognitive function. The depletion of beneficial microbes could lead to mood disorders and cognitive impairments.
Lastly, the destruction of microbes could also lead to the overgrowth of harmful bacteria, such as Clostridium difficile, which can cause severe diarrhea and inflammation of the colon.
Overall, the consequences of destroying the numerous microbes that inhabit the human body could be far-reaching and detrimental to the overall health and well-being of an individual.
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Compared to earths solar system the universe is inferred to be
Answer: Compared to earths solar system, the universe is inferred to be? older and larger.
Explanation:
Let's now assume that you obtain an age of 108 million years for the fossil using methods of absolute dating. If the half-life for the radio-isotopes used to give that age is 27 million years, what percentage of the parent isotope would be remaining?
25
12.5
6.25
3.125
In this case, we are dealing with an isotopic system that has a half-life of 27 million years, so let's use the equation of radiometric decay to solve for the amount of parent isotope remaining. So, the percentage of the parent isotope that would be remaining is 6.25%.
The amount of remaining parent isotope is calculated using the following radiometric decay equation:Nt = No × (1/2)^(t/h) Where :Nt = the remaining amount of parent material after time t, No = the initial amount of parent material, andh = the half-life of the isotopic system used. The half-life of the system is 27 million years, and the fossil was dated to be 108 million years old, so we need to find out how many half-lives have passed since the organism died:Half-lives = age of sample / half-life= 108 million years / 27 million years= 4 half-lives
Now we can substitute the values we know into the equation above: Nt = No × (1/2)^(t/h)Nt = No × (1/2)⁴= No × (1/16)So the amount of parent isotope remaining is 1/16 of the initial amount. To find the percentage, we just multiply by 100:% parent isotope remaining = (Nt / No) × 100= (1/16) × 100= 6.25%Thus, the correct answer is 6.25%.
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Which of the following factors do NOT affect climate?
O A. Humidity
B. All of these
C. Prevailing winds
D. Elevation
Answer:
Correct option is D)
The generalization of the atmospheric condition over a long period of time is referred to as climate. It is the long-term pattern of weather in a particular area. Following are the factors which influence the climate of any place:
Distance from equator - Places located near equator have hotter climate as compared to the places located away from equator as they receive direct sun rays.
Altitude - Places located on high altitude have cooler climate as compared to the places located on plains.
Prevailing winds - Places which experiences on-shore winds have high rainfall as compared to the places experiencing off-shore winds.
Ocean currents - Winds which blow over warm currents bring more rainfall as compared to the winds blowing over cold currents.
Distance from sea - Areas located near sea experiences moderate climate, whereas areas located away from sea experiences extreme climate.
Explanation:
Hope it helps.
Answer:
D
Explanation:
elevation doesn't affect climate, to the best of my knowledge, elevation deals with maniy the earth,
Which of the following coordinate and control immune response?
B lymphocytes
T lymphocytes
antigens
antibodies
Answer:
I think it is antigens but i am just guessing.
Explanation:
i don't know for certain that this is the right answer but regardless have a good day
4. Why is it most advantageous the sexual reproduction over asexual reproduction for
the evolution of species? Explain
Answer:
The offspring of sexually reproducing organisms are all genetically unique. Because of this, sexually reproducing organisms may have more successful survival of offspring in environments that change than asexually reproducing organisms, whose offspring are all genetically identical.
The movement of genes from one population to another population is known as _____.
All answers are correct.
allele
gene pool
gene flow
The movement of genes from one group to another is referred to as gene flow.
The exchange of genetic information between populations is referred to as gene flow. This can occur through migration, where individuals move from one population to another and bring their genes with them, or through interbreeding between populations. Gene flow can have a significant impact on the genetic makeup of populations, introducing new alleles and changing the frequency of existing alleles in the gene pool.
Allele frequencies can change in local populations even while gene flow does not affect allele frequencies for a species as a whole. In the case of migration, the impact of the migrants on altering the genetic makeup of the resident population increases with both the number of migrants and the difference in allele frequencies between the resident and migrant populations.
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How does natural selection lead to the development of antibiotic-resistant bacteria?
Answer:
antibiotic resistant is a consequence of evolution via natural selection. the antibiotic action is an environmental pressure;those bacteria which have a mutation allowing them to survive will live on to reproduce
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What is the advantage of the branching design of the bronchioles on our lungs into 700 million alveoli?
Your lungs' principal airways (bronchi) split into bronchioles, which are progressively smaller passageways that join to tiny air sacs (alveoli).
The lungs have a high surface area to volume ratio due to the many and tiny size of the alveoli. This removes the constraints often imposed by the concomitant increase in size and weight of the gas exchange system, allowing animals to grow to considerably bigger sizes.
What about lungs?Respiration, a process of gas exchange, is the major purpose of the lungs (or breathing).Carbon dioxide, a waste product of metabolism, leaves the blood during breathing while oxygen from the incoming air enters. Reduced lung function refers to the lungs' diminished capacity to exchange gasses. When you breathe in and out, you may have lung pain on one or both sides of your chest. Technically, because the lungs have so few pain receptors, the discomfort isn't emanating from inside them. Instead, the lining of the lungs, which does include pain receptors, might be the source of the discomfort.Networks of intricate tubes that make up our two lungs are hung on each side of the heart in the chest cavity by a support system formed of elastic fibers. The nose serves as an air filter by capturing dust particles on its hairs as it draws air in through the mouth and other openings. Most people can survive, if necessary, with one lung as opposed to two. Unless the other lung is destroyed, one lung can often produce adequate oxygen and eliminate enough carbon dioxide. The surgeon creates an incision on the side of your body during a pneumonectomy.Learn more about lungs here:
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What are the 2 components of science
Explanation:
"Science can be grouped into two broad categories: natural science and social science. Natural science is the science of naturally occurring objects or phenomena, such as light, objects, matter, earth, celestial bodies, or the human body."
Explain how ecosystems could be impacted from each indicator of climate change
*will give brainliest*
Answer: The ecosystem can be impacted by different climate changes like migration patterns of birds, the population of marine life, plants' life cycle, and changes in the direction of the water bodies etc.
Explanation: Changes in the climate can affect animal behaviour, habitats etc. It can lead to a change in migration patterns as well. Changes in these cycles affect the functioning of the ecosystem due to which the risk of extinction of species increases.
Wildlife tends to occur naturally but over the period climatic changes like the rise in temperature have led to the occurrence of wildfires more often and it affects the ecosystem by putting property and life at risk.
Plants and animals have also adapted to nature and the change in nature leads to a change in adaptation hence the risk of extinction and disruption within species have increased.
A pink snapdragon is cross-pollinated with a white snapdragon. If they produce twenty
offspring, determine the possible phenotypes and the number of individual offspring that
would be predicted to have each phenotype.
The genotype for the pink flower is Rr and the genotype for the white flower is rr. This would lead to a 50% chance of the offspring having a phenotype of pink.
What is cross pollination?Cross-pollination is the process of applying pollen from one flower to the pistils of another flower. Pollination occurs in nature with the help of insects and wind. This process can also be done by hand to produce offspring with desired traits, such as colour or pest resistance.To cross-pollinate it is necessary to prepare two different roses that are at a similar stage of development. In general, in contrast to diploid roses which are mostly self-incompatible, tetraploid roses are self-compatible. To prevent self-pollination of the selected seed parent, the anthers (pollen sacs) must be removed from the blooms before any pollen is released (Fig. 1). This is best accomplished at sunrise when blooms are in the one-third to one-half open stage. First, all of the petals are removed. This procedure allows better access to the centre of the flowerTo learn more about Pollen refer to:
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The images above all illustrate the presence of a vestigial structure. What is this structure and why is it no longer used for its original function? A) Sacral vertebrae have disappeared in modern man. They are no longer needed as man stood more and more upright. B) Lumbar vertebrae. As man became bipedal, the vertebrate became shorter and wider. These particular vertebrate disappeared. C) Coccyx or tailbone is the remnant of a lost tail. The tail was used for gripping as well as an aid in balance and mobility. D) Iliac blade. This part of the pelvis was shortened and widened as a requirement for keeping the center of gravity stable while walking.
Answer:
C, the Coccyx
Explanation:
What is unique about the animals of the
tropical dry forest?
A. They are mostly aquatic animals.
B. They all migrate during the colder temperatures.
C. They are all cold-blooded.
D. They go through a season of inactivity like hibernation.
Answer:C they're all cold blooded
Explanation: