list and describe the three variables of freshwater habitats that are different from variables that affect land habitats.
Answers
The habitat which affects the land habitats is temperature, water and moisture, and light.
What are land habitats?Different factors affect temperature, water, and moisture. Air, water and temperature, and many other factors affect the climatic conditions and affect the habitat as well.
Habitat is a dwelling place of animal. Birth rate, death rate and immigration are also some of the factors which affect the habitat.
Biotic factors, abiotic factors also affect the land habitat. Soil culture, soil shape and other factors also affects the land habitat.
Therefore, The habitat which affects the land habitats is temperature, water and moisture, and light.
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Related Questions
What are somatic cells and can mutations in them be passed to
offspring? Discuss in 3-4 sentences
Answers
Answer:
Somatic cells can be classified as any cell in the body aside from sperm and egg cells. They are diploid, and can have 2 sets of chromosomes from each parent. Mutations in somatic cells can affect the organism with the mutation, but the mutations can not be passed to offspring.
Which of the following orders of pubertal events is most typical for girls?
a. height spurt, b. menarche, c. axillary hair growth
Answers
The most typical order of pubertal events for girls is: a) axillary hair growth, b) height spurt, and c) menarche.
During puberty, girls experience various physical changes as their bodies mature. The typical sequence of pubertal events for girls begins with the growth of axillary hair, followed by a height spurt, and culminates in menarche, which is the onset of the first menstrual period.
Axillary hair growth is often one of the first signs of puberty in girls. It occurs as a result of increased production of androgens, which are hormones responsible for secondary sexual characteristics. The growth of axillary hair is usually followed by the height spurt, where girls experience a rapid increase in their overall height. This growth spurt is triggered by the release of growth hormones and typically occurs around the age of 9 to 14.
Lastly, menarche, the first menstrual period, marks the final stage of puberty for girls. It usually occurs after the height spurt, around the age of 10 to 16. Menarche is a significant milestone that indicates the onset of reproductive capability.
It is important to note that while this sequence is considered typical, there can be individual variations. Some girls may experience these pubertal events in a slightly different order or at different ages. Factors such as genetics, nutrition, and overall health can influence the timing and progression of puberty.
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What makes physical properties different from chemical properties?
Choose the correct answer
O
A) Physical properties relate to elements rather than compounds
B) Physical properties appear only after a chemical change occurs.
C) Physical properties describe elements in the solid state rather than in the liquid or gas state
D) Physical properties can be observed without attempting to change the identity of the substance
Answers
Answer:
B Physical properties appear only after a chemical change occurs.
Explanation:
Please help me this is my last question.
You guys can do 1 sentence.
Thank you :)
Answers
if the shoreline is eroding due to pollution or construction the weather becomes more dangerous because there are less plant & wildlife to slow ot down
Why do water molecules need a channel protein to help them get through the membrane?
a) They are too cohesive (stick together) to pass through the membrane
b)They are too large to pass through the membrane
c)They are too attracted to the polar phosphate heads, they cannot pass through
d) They are repelled by the hydrophobic core (fatty acids) of the membrane, cannot get through.
please helpppp!
Answers
Answer:
it's D, hope it helps
Explanation:
The passage of water molecules through the cell membrane requires channel proteins because they are repelled by the hydrophobic core of the membrane, and therefore cannot pass on their own. Thus, the correct option is D.
What is Cell Membrane?Cell membrane is a phospholipid bilayer. It is made up of proteins and phospholipids. This makes them amphipathic in nature. Amphipathic molecules are those which have both hydrophobic and hydrophilic ends.
The lipids form the main layer of the cell membrane on which proteins are embedded. Lipids present on the outer surface of membrane makes them hydrophobic in nature, which is responsible for the water repelling nature. The proteins are hydrophilic in nature and hence works as channels and carrier proteins which transfer substances through the cell membrane.
Passage through this channel protein allows polar and charged compounds to avoid the hydrophobic core of the membrane, which would otherwise block their entry into the cell.
Therefore, the correct option is D.
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What substances are used during the cellular respiration?
Answers
During cellular respiration, the following substances are used:
1. Glucose: This is the primary source of energy for the cells.
2. Oxygen: This is essential for the process of aerobic respiration, where glucose is broken down into energy.
3. ADP (Adenosine diphosphate) and Pi (Inorganic phosphate): These are converted into ATP (Adenosine triphosphate) during cellular respiration to provide energy for the cells.
4. NAD+ (Nicotinamide adenine dinucleotide) and FAD (Flavin adenine dinucleotide): These molecules are used as electron carriers during cellular respiration, shuttling electrons from one metabolic reaction to another.
5. Water: This is produced as a byproduct during cellular respiration when oxygen accepts electrons and protons to form water.
Together, these substances are used in the process of cellular respiration to produce energy that is required for the proper functioning of cells in the body.
victims of drowning who have stopped breathing are sometimes revived by a process called artificial respiration. Suggest why a biologist would object to the use of this expression. (Resuscitation is a better word to use.)
Answers
When a person experiences a drowning incident and stops breathing, immediate intervention is necessary to provide oxygen to the brain and other vital organs to prevent permanent damage or death.
Traditionally, this intervention has been called "artificial respiration" or "mouth-to-mouth resuscitation," where a person provides breaths to the victim by blowing air into their mouth to mimic the process of respiration. However, the term "artificial respiration" can be misleading because the action performed during resuscitation is not a complete replacement of the biological process of respiration as it occurs naturally in a living organism. Instead, it is an external intervention to provide oxygen to the victim until they can resume normal breathing on their own.
A more accurate and biologically precise term for this intervention is "resuscitation" or "cardiopulmonary resuscitation" (CPR). Resuscitation involves a combination of chest compressions to maintain blood circulation and rescue breaths to provide oxygen to the victim. By using the term "resuscitation," biologists and medical professionals can better convey the concept that the goal is to restore the natural processes of breathing and circulation, rather than implying the creation of an entirely "artificial" biological function.
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To reproduce, female elephants produce eggs and male elephants produce sperm. Offspring are produced by the fusion of an egg with a sperm cell. Which statement is true about the offspring?
A. The offspring are genetically identical to the parents because they are produced by sexual reproduction.
B. The offspring are genetically distinct from the parents because they are produced by sexual reproduction.
C. The offspring are genetically identical to the parents because the egg and sperm are both diploid.
D. The offspring are genetically distinct from the parents because the egg and sperm are both diploid.
Answers
If it’s easier to think about it, it works the same way in humans.
Answer:
The offspring are genetically distinct from the parents because they are produced by ....... reproduction.
Explanation:
Electromagnetic waves, like uv radiation, are
physical mutagens.
which of these can be a consequence of
physical mutagens?
a. contracting a bacterial disease
m
b. the loss of ability to move limbs
c. denatured proteins and enzymes
d. developing an adaptation
Answers
The consequences of physical mutagens is that there will be denatured proteins and enzymes. That is option C.
What are Physical mutagens?Physical mutagens are defined as the those substances that has the ability to produce a genetic change in the chromosome of a living organism.
This is caused by electromagnetic waves, like uv radiation.
Therefore, the consequences of physical mutagens is that there will be denatured proteins and enzymes.
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An unknown bacterium produces colorless colonies when inoculated onto an emb plate. predict what you would see if you inoculated that same unknown onto the mannitol salt agar media?
Answers
The colourless colonies are only the gram-negative bacterium that will grow as the selective media Eosin Methylene Blue (EMB) followed by mannitol salt agar (MSA), which will only allow one type of microorganism to grow.
Eosin Methylene Blue (EMB) agar is a differential microbiological medium that gives a colour indicator to distinguish between organisms that digest lactose and those that do not while significantly inhibiting the development of Gram-positive bacteria. In laboratories, the selective medium is crucial for differentiating gram-negative microorganisms.
Both EMB (Eosin methylene blue) and Mannitol Salt Agar (MSA) are selective in that they only permit the growth of Gram-negative bacteria.
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does vaccine use weak and dead pohthogen
Answers
Answer:
yes
Explanation:
A: No, vaccines do not use weak and dead pathogen.
A2: Some vaccines do use those substances but are unapproved.
Most unapproved vaccines are illegal & not approved by CDC or the government. So no, they do not include those,
Food we eat has not been modified through selective breeding.
a) True
b) False
*No wrong answers please.*
Answers
Answer: True.
Quizlet is a very good resource to use for problems like this.
Food we eat has not been modified through selective breeding. This statement is true.
What is selective breeding?Selective breeding is the process where individual organisms with certain desirable traits are selectively bred for the purpose of propagating that particular trait.
Selective breeding is applied in agriculture for the purposes of rearing or cultivating high yielding breeds of farm animals and crops.The food we eat has been modified through selective breeding. Hence the statement: Food we eat has not been modified through selective breeding.
Milk production selective breeding has bee applied in milk production by selectively rearing cows with high milk production as planting of disease-resistant crops selective breeding has been applied in the cultivation of disease resistant crops.
Therefore, Food we eat has not been modified through selective breeding. This statement is true.
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Glucose is the starting point for cellular respiration. Which type of biomolecule is glucose?a. carbohydrateb. lipidc. proteind. nucleic acid
Answers
Glucose is the starting point for cellular respiration. Glucose is a carbohydrate type of biomolecule.
The term "glucose" is frequently derived from the Greek word for "sweet" in biological references. A kind of sugar moves through the circulatory system. It can be found in fruits and sweets, among other foods. It is, in fact, a significant source of fuel for a variety of cellular activities.
The fact that the molecule glucose is classified as a simple sugar indicates that it belongs to the category of carbohydrates. Biochemically, carbohydrates are frequently categorized as carbon, hydrogen, and oxygen molecules that are truly neutral. They come in simple and complicated forms, including fibers, starch, and sugar.
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TRUE/FALSE. Chromosomes move to the poles under their own power during anaphase.
Answers
The given statement "Chromosomes move to the poles under their own power during anaphase" is false because the movement of chromosomes during anaphase is primarily driven by the microtubules of the mitotic spindle, not by the chromosomes themselves.
During anaphase of mitosis, the microtubules of the mitotic spindle begin to depolymerize, pulling the sister chromatids of each chromosome apart toward opposite poles of the cell.
The microtubules attach to specialized structures on the chromosomes called kinetochores, which are protein complexes that assemble on the centromere of each chromatid during prometaphase.
The movement of the chromosomes is therefore mediated by the action of the spindle microtubules, which are in turn regulated by various motor proteins and signaling pathways. While the chromosomes do have some inherent structure and organization, they do not have the ability to move themselves independently during anaphase.
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How is a phylogenetic tree similar to a dichotomous key.
Answers
Answer: Phylogenetic trees are similar to the dichotomous keys because they used for identification and are artificial.
Answer:
Both focus on illustrating taxonomic relationships between organisms.
Explanation:
this is the correct answer
Darwin discovered variations in species; what is the difference between interspecific variation and intraspecific variation
Answers
Intraspecific variation, also referred to as "within species variation," is the term used to describe variation within members of the same species. Contrarily, interspecific variation (also known as "across species" variation) refers to variation that takes place when contrasting members of different species.
Interspecific and intraspecific variance explained A biology course?Individuals belonging to the same species can differ from one another interspecifically. Interspecies variance is referred to as intraspecific variation.
What do intraspecific differences mean?Local extinctions, reductions in population abundance, and anthropogenic selection are threats to intraspecific variation, which encompasses the genetic and phenotypic diversity observed within and among populations. However, analyses of biodiversity frequently overlook this decline in species variety.
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Answer: D
Explanation:
intra - inside
inter - outside
In the Northern Hemisphere, climate scientists observe seasonal changes in carbon dioxide concentration with the highest levels measured in May and the lowest levels measured in October. Hypothesize how photosynthesis can affect these changes. Explain your answer in three to five sentences.
Answers
A plausible hypothesis associated with seasonal changes in carbon dioxide concentration being the highest levels measured in May and the lowest levels measured in October is that the rate of photosynthesis will be higher in May because carbon dioxide is a reactant.
What is the rate of photosynthesis?The rate of photosynthesis refers to the amount of photosynthetic products that are generated in a given unit of time, which are generally measured as units of biomass both for plants and algae.
The rate of photosynthesis depends on the presence of reactants for this process which includes sun light and also carbon dioxide, which is a fundamental substance in order to produce carbohydrates during this process.
Therefore, with this data, we can see that carbon dioxide is a reactant of photosynthesis and therefore its concentration is fundamental to carry out this process.
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Hal wonders about the properties of electromagnetic waves that make up the visible light spectrum. He conducts an experiment to see how sunlight behaves while moving through a prism. He is able to separate visible light into colors of the rainbow. He notices that each color has a unique wavelength and frequency.
Diagram showing wavelengths of light that make up the visible spectrum.
Which of these statements describe visible light waves? Choose the two that apply.
A. Red light has a longer distance between wave crests than blue light.
B. Yellow light has a shorter distance between wave crests than green light.
C. Blue light has a longer distance between wave crests than red light.
D. Blue light has a shorter distance between wave crests than orange light.
E. Orange light has a shorter distance between wave crests than violet light.
Answers
Answer:
d.Blue light has a shorter distance between wave crests than orange light.
A. Red light has a longer distance between wave crests than blue light.
Explanation:Make sure u read!!!!
The correct answers are C. Blue light has a longer distance between wave crests than red light, and E. Orange light has a shorter distance between wave crests than violet light.
What is visible light?Visible light waves are a type of electromagnetic radiation that are visible to the human eye. They make up a small portion of the electromagnetic spectrum and have wavelengths that range from about 400 nanometers (nm) to 700 nm. Visible light waves can be separated into colors of the rainbow, including red, orange, yellow, green, blue, indigo, and violet.
Each color of visible light has a unique wavelength and frequency. Red light has the longest wavelength and the lowest frequency, while violet light has the shortest wavelength and the highest frequency. This means that red light has a longer distance between wave crests than violet light, and violet light has a shorter distance between wave crests than red light.
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The ________ of a neuron contain ________ that house neurotransmitters, the chemical messengers of the nervous system.
A. axons; terminal buttons
B. dendrites; synaptic vesicles
C. terminal buttons; synaptic vesicles
D. terminal buttons; transport proteins
Answers
The terminal buttons of a neuron contain synaptic vesicles that house neurotransmitters, the chemical messengers of the nervous system.
A cell body, an axon, and a dendrite are the three basic components of a neuron. The nucleus, which regulates the cell's functions and houses its genetic material, is located inside the cell body. The axon resembles a long tail and carries signals out of the cell.
In healthy people, synaptic vesicles release neurotransmitters into the synapses as the neuronal signal travels quickly down the axon to the terminal buttons. The synapse, which connects two neurons, is a very small area.
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What do cell theory and germ theory have in common?
Answers
Hope this helps :)
How is the scientific theory developed
Answers
Answer:
The development of scientific theories A scientific theory is a general explanation that applies to a wide range of situations and examples. As technology develops more data can be collected and new types of observations made. A hypothesis is a testable explanation of an observed event.
Explanation:
Use lesson concepts to complete the diagram to show the outcome of communication among scientists.
Space 1:
Space 2:
Space 3:
Space 4:
Answers
Answer:
where are thenquewtions
Explanation:
I don't understand if you tell me straight I'll tell you that right annswer
in a healthy individual the brain stem stimulates breathing on the basis of:____
Answers
In a healthy individual, the brain stem stimulates breathing on the basis of the levels of carbon dioxide and oxygen in the bloodstream. As carbon dioxide levels increase, the brain stem signals the respiratory muscles to increase breathing rate and depth to remove excess carbon dioxide and replenish oxygen levels. This process is regulated by a feedback mechanism that maintains appropriate levels of gases in the bloodstream.
The brain stem, specifically the medulla oblongata and the pons, plays a crucial role in regulating the respiratory system. It receives sensory input from chemoreceptors that monitor the levels of carbon dioxide and oxygen in the blood
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which of the following is false concerning the cause of q fever coxiella burnetii? survives in the hostile environment of the phagolysosome a select agent very low id50 with infectious dose of as few as 1 transmitted from cattle, sheep, and goats by unpasteurized milk and birthing fluids all of the above are tru
Answers
The false statement about cause of q fever coxiella burnetii is that survives in the hostile environment of the phagolysosome because Coxiella burnetii is known for its survival mechanisms within the phagolysosome.
Option (a) is correct.
In reality, Coxiella burnetii has evolved mechanisms to resist and survive within the hostile environment of the phagolysosome, making it capable of intracellular survival. It can manipulate host cell processes and avoid degradation by the host's immune system.
This ability to survive within phagocytic cells is one of the reasons why Q fever can cause persistent infections and chronic complications in humans. Therefore, option a) is the false statement, as Coxiella burnetii is known for its survival mechanisms within the phagolysosome.
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Complete question is:
Which of the following is false concerning the cause of Q fever (Coxiella burnetii)?
a) Survives in the hostile environment of the phagolysosome.
b) A select agent with a very low ID50, with an infectious dose of as few as 1.
c) Transmitted from cattle, sheep, and goats by unpasteurized milk and birthing fluids.
d) All of the above are true.
i crosscut my nail with a knife . will it ever heal???
Answers
Targe
1.
The independent variable is
and the dependent variable is
in an experiment.
changed, observed
d 07/01
ce
kept the same, observed
d 07/01
observed, changed
07/01
hypothesized, changed
ursday
Answers
Dependent variable: the effect that depends on the independent variable.
For example, an experiment measures how light (independent variable) affects plant growth (dependent variable). Every other component of plant growth is kept the same to isolate the effect the independent variable has on the dependent variable.
So, the independent variable is CHANGED while the dependent variable is OBSERVED
hello humans ~
______ is used for the production of alcohol and wine.
Yeast
Mosquito
Ant
Algae
Answers
Explanation:
the correct answer is yeast
PLEASE HELP Which of the following is reused many times during photosynthesis?
Question 13 options:
ATP
FADH2
Chlorophyll
All of the above
Answers
Answer:
Atp
Explanation:
The process through which individuals are better adapted to their environments are more likely to survive and reproduce than other members of the species is called?
A. natural Selection
B. artificial Selection
C. mutation
D. overproduction
Answers
Hope this helps I took bio ;)
At the end of mitosis what kind of cells are produced?
A: 4 hapliod cells
B: 2 dipliod cells
C: 4 dipliod cells
D: 2 hapliod cells