What is different between the size of an ecosystem and the size of a natural community?
I need the answer PLZ ASAP
Answers
Answer: A community is all of the populations of different species that live in the same area and interact with one another. A community is composed of all of the biotic factors of an area. An ecosystem includes the living organisms (all the populations) in an area and the non-living aspects of the environment.
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Please help with backside I’m so lost it’s due Friday! I will mark brainliest
Answers
2. Energy moves around this ecosystem through a food chain. Producers (plants) use sunlight to produce energy through photosynthesis. This energy is then transferred to herbivores (rabbits), which are eaten by carnivores (hawks). Energy is lost at each level of the food chain through respiration and other metabolic processes, so the amount of energy available at each level decreases.
3. If a disease strikes the snake population, the population of hawks and rabbits would be affected. If the snake population declines, there would be fewer predators to prey on the rabbit population. This would cause the rabbit population to increase, which would lead to an increase in the hawk population as they have more food to eat. However, if the disease is severe and the snake population declines too much, there may be a shortage of food for the hawks, causing their population to decline as well.
4. If the rabbit population suddenly doubled, the effect on the grass would be negative. With more rabbits, there would be more grazing pressure on the grass, leading to overgrazing. Overgrazing can lead to a decrease in grass biomass, which can negatively affect other organisms that rely on grass for food and shelter. Additionally, with less grass available, the rabbit population may eventually decline due to a lack of food. This would cause a chain reaction that could lead to the decline of other organisms in the ecosystem.
7. So if a disease stroked the snacks population than the effect on hawks would be that they would feed off a different food source, such as the rabbit. The rabbits population would decrease and soon enough the hawk population would decrease because of the competition towards food. This happens because snakes are secondary consumers and hawks feed off both rabbits and the snakes to balance the populations. If one disappears or decreases than the hawks would aim toward the animal that has a bigger population, the rabbit. Making the rabbit population leading towards less food all around.
8. If the rabbit population doubled than the grass would decrease or would die. This would happen because there is to many consumers and the grass can not keep up with how much it is giving out. This would also lead to a decrease to the rabbit population making the population really low or back to normal, depends on how quickly the grass grows.
Select your answer from the choices below, then write them on its appropriate column.
Answers
Answer: The duties that the students and community members have to be done to save our environment and resources
Explanation: My part as a students
1. Switch off classroom lights and fans when not in use.
2. Plant a tree (in vacant lot / backyard).
3. Join environment friendly groups.
4. Switch to non- plastic water bottles.
5. Switch off faucets in the school or park when not in use.
My initiative as a Community Member
1. Conserve water.
2. Throw garbages in the trash can.
3. Decrease the amount of paper you print.
4. Minimize the use of plastic when buying good
5. Volunteer for clean-up drives.
The correct options that have to be filled in its appropriate column are:
The part as a Student in conserving the environment.
Decrease the amount of paper you print.Switch off classroom lights and fans when not in use.Conserve water.Switch to non-plastic water bottles.Minimize the use of plastic when buying goods.My Initiative as a Community MemberVolunteer for clean-up drives.
Join environment-friendly groups.Plant a tree (in a vacant lot/backyard).Throw garbage in the trash can.Switch off faucets in the school or park when not in use.Thus, these are the correct options for the given columns.
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Which of the following best identifies a way in which organs in an organism are similar to organelles in a cell?
A. Both are made of tissues.
B. Both carry out specific functions.
C. Both carry out chemosynthetic reactions.
D. Both are found in single-celled organisms.
Answers
Answer:
A
Explanation:
Both are made of tissues.
The organs in an organism and organelles in a cell both are similar as they both are made up of tissue. Thus, option A is correct.
What is tissue?The tissue is defined as a group of cell added together to form a tissue present in body and plays a vital role in covering of all internal as well as external area and organs of body, hollow organs and body lines cavity.
The structure of epithelial cells are they combined together by fitted junctions as well as adhering junction and attached to extra cellular matrix.
Tissue is the compact structure of cell and later tissue combined together to form organ and than organ system is formed to perform various functions of the body.
Therefore,the organs in an organism and organelles in a cell both are similar as they both are made up of tissue. Thus, option A is correct.
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TWENTY-FIVE POINTS:
A student wrote the following response to the question, What are elodea plants made of?
Elodea plants are made of cells, cell walls, cytoplasm, and chloroplasts.
His friend told him that he forgot to include the levels of complexity.
Improve on the first student's response, keeping in mind his friend's suggestion.
Answers
Answer:
"Elodea plants have a complex structure, composed of specialized cells that work together to perform specific functions. The cells are made up of several organelles, including cell walls, cytoplasm, and chloroplasts. These organelles play specific roles in the plant's overall function - cell walls provide support and protection, chloroplasts are responsible for photosynthesis, and cytoplasm contains various other structures, such as mitochondria, that are crucial for energy production and cellular respiration."
Explanation:
The first student's response is correct in identifying that Elodea plants are made up of cells, cell walls, cytoplasm, and chloroplasts. However, to address his friend's suggestion about levels of complexity, we can add some additional information.
Elodea plants have a complex structure that goes beyond the individual organelles that make up the cells. Elodea plants are classified as multicellular organisms, which means they are made up of many specialized cells that work together to perform specific functions. These cells are organized into tissues, organs, and systems, each with its own specific role in the plant's overall function. For example, the chloroplasts within the cells of Elodea plants are responsible for photosynthesis, while the cell walls provide support and protection. Additionally, the cytoplasm within each cell contains various structures, such as mitochondria, that are crucial for energy production and cellular respiration.
:
PLEASE HELP DUE SOON TYSM--A teacher is helping her class make an accurate scale model of the solar system on school grounds. The teacher says that the chalkboard will represent the Sun. She then hangs a painted softball 5.8 meters from the chalkboard to represent Mercury. At the back of the class, 15 meters from the chalkboard, the teacher hangs a blue-painted basketball to represent the Earth. About how far away from the chalkboard should the class mount the golf ball that will represent Neptune?
A.
450 meters
B.
4,500 meters
C.
4.5 meters
D.
45 meters
Answers
Answer:
It should be 450 meters away
I believe the correct alternative is: a) 450 meters
I apologize if this is incorrect. I hope you have a lovely day!
Who first identified nucleic acids, and where were they discovered? Friedrich Meischer discovered nucleic acids in blood cells. Phoebus Levine discovered nucleic acids in plant cells. James Watson and Francis Crick discovered nucleic acids in DNA. Gerardus Johannes Mulder discovered nucleic acids in bacterial cells.
Answers
Answer:
Friedrich Meischer discovered nucleic acids in blood cells.
Explanation:
Nucleic acid is one of the four biological molecules. It is a polymer made up of monomeric units called Nucleotides. Nucleic acids make up two important molecules namely: DNA and RNA.
Nucleic acid was first discovered in the 1860's by a then young Swiss scientist called Friedrich Miescher. He was working on white blood cells and discovered a new compound that was different from the already known biomolecules i.e. carbohydrates, proteins, and lipids etc. This compound isolated by Friedrich Miescher was then called "NUCLEIN" because he got it from the nuclei of a blood cell.
His discovery was later proven to be Deoxyribose nucleic acid (DNA), the genetic material.
Friedrich Meischer first discovered nucleic acids in blood cells. Therefore, option A is correct.
Nucleic acids are large biomolecules. They play a fundamental role in the storage, transmission, and expression of genetic information in living organisms. They are composed of monomeric units called nucleotides, which are linked together to form long chains. They are of two types: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
The arrangement and sequence of nucleotides in nucleic acids provide the basis for the storage and transmission of genetic information.
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How would antelopes be affected if they cannot find enough plant matter to eat?
PLEASE IN 10 MINUTES!!
Answers
Answer:
Explanation:
Most antelopes are herbivores which means they eat only plants. If they cannot find enough plant matter to eat, slowly, the population in a herd of antelopes would go down from the lack of nutrients and energy they need from the food they eat(vegetation).
1.) The scientific name always consists of two words:
Group of answer choices
Genus and species
Family and species
Species and kindom
Domain and species
2.) Puma concolor is the scientific name for an American Mountain Lion, what is the species?
Group of answer choices
Puma
concolor
mountain lion
American mountain Lion
Answers
2.Puma
EXPLAIN THE ANSWER AND I WILL GIVE BRAINLIEST:
Answers
Based on the data shown in the table, what question is most likely being tested?
Question 5 options:
Which weed grows faster in rainy seasons?
Which plants had the most growth between 1980 and 1984?
How does levels of rainfall affect growth of sweet pea and chickory plants?
How did the rainfall and plant growth change between each year in the early 1980s?
Answers
Answer:
it would be C how does levels of rainfall affect growth of sweet peas and chickory plants
Explanation:
i hoped this helped if any
List 3 negative impacts does plastic pollution have on the ocean?
Answers
Ingestion
And suffocation
Answer:
Negative physical impact on marine life, chemical impact on the water, and transport of native species.
Explanation:
Negative physical impact on marine life:
Plastic can be dangerous to creatures living in the ocean. Marine animals can fatally swallow plastic, become entangled in it, and even become physically impaired for the rest of their life.
Chemical impact on the water:
Plastics carry chemicals such as PCBs and DDT that can invade the water and cause harm to marine ecosystems.
Transport of native species:
Plastic can carry organisms from one part of the ocean to a relatively remote area. By introducing new organisms to an ecosystem, the flow can be disrupted and result in major consequences.
27 points
Please need help
The picture shows a Single-celled organism that has a nucleus and organelles, lacks a cell wall, and obtains food by eating other organisms. The organism also has cilia that it uses to move through water. Which kingdom should this organism be classified?
Science
Answers
Protista
Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is usually no cell wall, although some forms may have a cell wall. They have organelles including a nucleus and may have chloroplasts, so some will be green and others won't be. They are small, although many are big enough to be recognized in a dissecting microscope or even with a magnifying glass. Nutrients are acquired by photosynthesis, ingestion of other organisms, or both.
can someone answer this for me? tysm!
65 points?
Answers
Answer:
Explanation: :/
Help please..it is an mcq with diagram...here is the question...
Soda lime absorbs carbon dioxide. What will happen to the drop of liquid?
a) It will move towards the woodlice, as oxygen is used up and the carbon dioxide that is released is absorbed by soda lime.
b) It will move away from the woodlice as oxygen is used up but more carbon dioxide is released by woodlice
c) It will not move as oxygen is used up and the same volume of carbon dioxide is released.
d) It will not move as carbon dioxide is used up and oxygen is released.
Answers
Answer:
mcq
Explanation:
it will be C because it will not move as oxygen is used up and the same volume of carbon dioxide is released.
Which example can be classified as a trace fossil?
A. shrimp burrow
B. imprint of a fern leaf
C. dinosaur bone
D. mold of a clam shell
Answers
Answer:
the answer is D
Which best describes the plate tectonic theory?
A) The Earth is a big puzzle
B) Broken plates of the Earth float on the liquid mantle
Answers
The simple graph shows the relationship between available resources and population size. What evidence does the graph provide? A. An increase in the amount of available resources causes a decrease in population size. B. A decrease in the amount of available resources causes a decrease in population size. C. An increase in the population size causes an increase in the amount of available resources. D. A decrease in the population size causes a decrease in the amount of available resources.
Answers
Answer:
b
Explanation:
Its right
Sorry if not correct
Mechanical energy can take on many forms, but these different forms can be categorized as either potential energy or energy of motion. The height an object is dropped from has an effect on the amount of energy in the object. Let’s conduct an experiment to see the effect.
:How does the height of an object affect the amount of mechanical energy it contains?
1:Variables What is the test variable?
Answers
The height of an object is crucial to the amount of energy something has because the higher up it is the most potential energy it has and kinetic energy it could have.
For example, if the height of a basketball was just a couple inches off the ground, it would not have a large amount of potential energy because because there is not much of a fall between the ball and the ground. However, if the ball was higher, there would be more potential energy because there is more room to fall.
---
"What is the test variable?"
The test variable, or independent variable in this case would be the height, as the scientist is changing the height in order to get different results in the total mechanical energy, which would be the dependent variable.
I NEED HELP PLEASE!
the question says "Chris creates models of two different types of waves using a computer program. Label his models by dragging the labels to the correct locations."
Answers
For the second wave it’s called a longitudinal wave. For the waves that are close together it’s called compression and for the wave that is far apart it’s called rarefaction.
I hope this help.
The two different types of waves in Chris's models is Transverse Wave and Longitudinal Wave.
What is compression?Compression is a region of a longitudinal wave where the particles of the medium are close together, resulting in a high pressure area. This causes a temporary increase in density of the medium through which the wave travels.
Transverse Wave: This type of wave moves perpendicular to the direction of the wave energy, and is characterized by crests and troughs.
Longitudinal Wave: This type of wave moves parallel to the direction of the wave energy, and is characterized by compressions and rarefactions.
In the diagram provided, it's important to identify which parts of the wave correspond to each of the labels given: compression, crest, longitudinal, refraction, transverse, and trough.
Compression refers to the part of a longitudinal wave where the particles are close together, while rarefaction refers to the part of the wave where the particles are spread out.
A crest refers to the highest point of a transverse wave, while a trough refers to the lowest point of a transverse wave.
Refraction refers to the bending of a wave as it passes from one medium to another, while transverse waves are characterized by the oscillation of particles perpendicular to the direction of wave motion.
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Existing rocks are buried and forced toward the mantle, increasing heat and pressure. This is the first step in the formation of metamorphic rocks.
(PLEASE HELPPPP 90 POINTS!!)
Which best describes the next step in the formation of metamorphic rocks?
Buried rocks melt deep within the mantle.
Lava melts underlying rocks, which crystallize into new minerals.
Rocks that were buried are exposed at Earth’s surface, where they are weathered and eroded.
Magma pockets rise, which increases heat, and minerals change due to temperature and pressure.
Answers
The correct answer is B. When buried rocks are forced toward the mantle, they undergo extreme heating and pressure, which can cause them to melt. This molten rock is known as magma, which then crystallizes as new minerals as the magma cools and solidifies. This process is known as metamorphosis and is the second step in the formation of metamorphic rocks.
Buried rocks melt deep within the mantle.
please answer the questions below
Answers
1. The particles will speed up as they gain more kinetic energy from their surroundings and try to escape. They will collide with the balloon more and cause gas pressure which over time will cause the balloon to explode.
2. The particles will slow down
3. It has more density unlike water which expands when it’s frozen. Normally a liquid has more volume and less density when heated.
4. 10°C 50°F
5. 0°C 35°C/36°C ( trick question it’s not 10 degrees less Fahrenheit but Celsius for both)
6. The air particles slow down, losing their energy to the surroundings in an attempt to change state.
Which of the following processes occurs during sexual reproduction?
A.
An organism splits in two.
B.
An egg cell and a sperm cell unite.
C.
A fragment regenerates into a new organism.
D.
An identical growth forms and then detaches.
Answers
Answer:
B. An egg cell and a sperm cell unite.
Explanation:
Answer:
B. An egg cell and a sperm cell unite
Why does a guitar sound different from a saxophone?
Answers
Answer:
Because the guitar has string and the saxophone doesn't.
Explanation:
Which environment is characterized by very low temperatures and low humidity year round?
Desert
Grassland
Swamp
Tundra
Answers
Reasoning: When you think of a tundra, it’s more of like Antarctica. Possibility to be confused with deserts, which have little to no precipitation/low humidity.
You just ate a salad. Describe how the components of the salad stored
chemical energy and how you will release that energy in your cells. Give as
much detail as possible! *
Ok
Answers
Answer:
We measure the energy stored in the chemical bonds in food in
Explanation:
Answer:
Cellular respiration is the process by which the chemical energy of "food" ... Carbohydrates, fats, and proteins can all be used as fuels in cellular ... When acetyl-CoA is oxidized to carbon dioxide in the Krebs cycle, chemical energy is released ... Plants use my CO2 I breath out and I use the O2 that plants give off
Explanation:
Some new appliances, like refrigerators, stoves, dishwashers, and air conditioners may have the Energy Star label if they meet certain high-efficiency standards.
Think about the electrical appliances you use in your home. Remember that video game consoles, computers, televisions, and DVD players all use electricity, too. What are some ways that you could reduce the amount of electricity that you and your family use? Explain how you could change some of your energy-use habits and the benefits those changes might have on climate change.
Answers
When watching tv everyone watches tv in one room. During the day open the curtains instead of turning on lights. When leave out of a room make sure the light is turned off. When on the video game play game that more than one person can play.
Ways to reduce electricity usage include turning off electronics when not in use, using energy-efficient light bulbs, and unplugging chargers. These changes can reduce carbon emissions and combat climate change.
What are ways to reduce electricity usage?There are several ways to reduce the amount of electricity used in your home. One of the most effective ways is to replace old appliances with new Energy Star certified ones. These appliances are designed to use less energy and can help reduce your energy bills. Another way to reduce electricity consumption is to unplug electronics when they are not in use. Even when electronics are turned off, they still draw power if they are plugged in. Additionally, using energy-efficient light bulbs and turning off lights when leaving a room can also help save electricity.
Making these changes can have a significant impact on climate change by reducing carbon emissions. The less energy we use, the fewer fossil fuels are burned to generate electricity, which in turn decreases the amount of greenhouse gases released into the atmosphere. By making simple changes to our energy-use habits, we can all contribute to a healthier planet.
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Mabel read that heavy watering promotes growth in sunflower. She planted 6 plots of sunflowers with 5 plants each and watered each plot with a different amount of water. The table shows her results...
Answers
Answer:
Not so sure but I think its 196 I'm 40% sure
There are/is ________high tide(s) and ___________ low tide(s) every day.
a.) 1,1
b.) 1,2
c.) 2,2
d.) depends on the moon phase at the time
Answers
Answer:
it is d
Explanation:
Explanation: The Earth rotates through 2 tidal bulges a day
Find the hot spot on the map. This represents one of the volcanoes of Hawaii, which gets its fuel because the island sits over a hot spot. Hot spots occurs at abnormally hot centers known as mantle plumes. Scientific models depict these plumes of molten rock almost like a lava lamp, with a rising bulbous head fed by a long, narrow tail that originates in the mantle. This type of volcanism, hot spot volcanism, is unique. Why?
A The hot spot volcanoes rarely result in mountain building; they are a destructive process.The hot spot volcanoes rarely result in mountain building; they are a destructive process.
B It does not occur at plate boundaries where most all other volcanism occurs.It does not occur at plate boundaries where most all other volcanism occurs.
C It occurs where two tectonic plates converge and is usually the site of mountain building.It occurs where two tectonic plates converge and is usually the site of mountain building.
D The resulting volcanoes always produce islands.
Answers
Answer:
A: The hot spot volcanoes rarely result in mountain building; they are a destructive process.The hot spot volcanoes rarely result in mountain building; they are a destructive process.
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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