what type of root a plant of wheat has? draw a diagram of such
Which of the following is made of cells?
A. Blood
B. Muscle tissue
C. Nerves
D. Oxygen
The answer is A. Blood
10. Vestigial structures
Are dangerous and should be removed.
Are fully functional structures in a species.
Are usually present, but are no longer functional.
Have been completely eliminated from the species.
Answer:
Are usually present, but are no longer functional.
Explanation:
Vestigial structures are "evolutionary remnants". They are anatomical features that were once important throughout the organism's evolution, but now have no function. However, they aren't harmful either, so there has been no selective pressure for them to be removed via evolution.
Good examples in humans are the tail bone, wisdom teeth, and the appendix.
How does ultraviolet radiation harm living things?
Answer:
Ultraviolet (UV) photons harm the DNA molecules of living organisms in different ways. In one common damage event, adjacent bases bond with each other, instead of across the “ladder.” This makes a bulge, and the distorted DNA molecule does not function properly.
Explanation:
Which organism turns nitrogen back into nitrogen gas?
A. denitrifying bacteria
B. nitrogen fixing bacteria
C. decomposers
D. nitrifying bacteria
Answer:
b
Explanation:
part of the nitrogen cycle
Denitrifying bacteria turns nitrogen back into nitrogen gas. The correct option is A.
What is nitrogen fixation?Any natural or artificial process called nitrogen fixation causes free nitrogen, a relatively inert gas present in large quantities in the atmosphere, to chemically interact with other elements to generate more reactive nitrogen compounds like ammonia, nitrates, or nitrites.
Chemically, nitrogen fixation transforms atmospheric nitrogen into ammonia, which is ingested by living things.
In essence, nitrogen fixation transforms atmospheric nitrogen into a form that plants can use more easily.
Nitrate is transformed back into nitrogen gas by denitrifying bacteria, which then reenters the atmosphere. Runoff and fertilizer-related nitrogen enters the ocean, where it interacts with marine food webs.
Thus, the correct option is A.
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The gravitational force between two objects will become ___ as their mass increases
a greater
b closer
c heavier
d less
Answer: a
Explanation:
Answer:
A
Explanation:
Because when something is using gravitational force between objects it will be greater as the mass increases1.Water covers 70 percent of the earth's surface and supports life on the Earth. Explain the statement 2.Why do we need to manage our resources? { i need the answer before 4 pm please help!}
Explanation:
Water is extremely valuable to all living things. It is especially important for plants to perform photosynthesis which is one of the smallest most valuable biochemical mechanisms known to life, in addition, plants are the main source of nutrients for many creatures. Without photosynthesis, plants would not be able to produce oxygen. In addition, plants are classified as producers, the most basic level of the flow of energy in every ecosystem and are the main reason energy from the sun can then be converted into usable energy for primary consumers, secondary consumers, and tertiary consumers. For humans, water is extremely important to keeping our bodies in homeostasis while the billions of chemical reactions take place in our bodies in just minutes. A human can not live without water for more than three to four days. If there was a deficiency of water both plants, animals, and humans would be greatly affected. Without water, plants would not grow, so no conversion CO2 to 02 and harnessing energy from the sun. Next animals that depend on both water and plants would have a decrease in population. Followed by the depletion of all else consumers. You remove a resource this valuable and there is no coming back.
When you throw a baseball, it travels a curved path before it hits the ground because _____.
the Earth is curved and all objects follow its path
the horizontal force of the throw and the vertical force of gravity both act on the ball the ball’s inertia changes its direction, therefore accelerating it as it falls
gravity moves all objects in a circular path around Earth
Answer:
the horizontal force one os right
Explanation:
Answer:the horizontal force of the throw and the vertical force of gravity both act on the ball
said the person up me AYO
HELP ASAP
No animal is as creative as people.
True
False
Answer:
I believe it is false.
Explanation:
Other apes are creative too.
Because the bodies of animals contain carbon molecules, the animal kingdom stores huge amounts of carbon. Which of the following processes returns carbon from this vast reservoir to the active carbon cycle?
Answer:
burning fossil fuels and decomposition of dead organisms
Explanation:
A significant amount of the carbon in the biosphere is returned to the carbon cycle through decomposition by fungi and bacteria. Much of what is not decomposed becomes fossil fuels. When humans burn fossil fuels for energy, carbon is returned to the atmosphere.
The process that returns carbon from the vast reservoir of animal bodies to the active carbon cycle is called decomposition, which is present in Option A, as when an animal dies, its body is broken down by decomposers, such as bacteria and fungi.
What is decomposition?The decomposition process is essential for the cycling of carbon in the environment. When an animal dies, the organic molecules that make up its body become available to decomposers. These decomposers use enzymes to break down the complex organic molecules into simpler compounds, such as sugars, amino acids, and fatty acids.
Hence, the process that returns carbon from the vast reservoir of animal bodies to the active carbon cycle is called decomposition, which is present in Option A.
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complete question is below
Because the bodies of animals contain carbon molecules, the animal kingdom stores huge amounts of carbon. Which of the following processes returns carbon from this vast reservoir to the active carbon cycle?
A)decomposition
B) nitrogen fixation
An investigation is a example of what?
what is the best definition for conclusion
Answer:
the end or close; final part. the last main division of a discourse, usually containing a summing up of the points and a statement of opinion or decisions reached. ... final decision: The judge has reached his conclusion. a reasoned deduction or inference.
What is the function of the nucleus of a cell.
Answer:it coordinates cell activities like protein synthesis and cell division. Anatomically the nucleus is made up of several components: nuclear envelope, nuclear lamina, nucleolus, chromosomes, nucleoplasm are some of these components.
Explanation:
Answer:
The nucleus controls and regulates the activities of the cell and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.
Explanation:
In what way are all living orginasims on earth similar?
A.They al share the same nucleic acid sequence.
B.They are all assembled from a nucleic acid code.
C.They all contain the same number of lipids.
D.They are all made from a code based on unsaturated fatty acids.
Answer:
Uhh let me see
Explanation:
......
HELP PLZ!!!
15. (01.04 LC) Which of the following best defines average speed? (3 points)
1: It is the speed of an object in a specific direction.
2: It is an object's speed at a specific point in time.
3:It is the total distance traveled over the total time.
4: It is a measure of how far an object moves in a certain time.
Answer:
4: It is a measure of how far an object moves in a certain time.
Explanation:
Hope this helps
Nutrients can come from what 3 natural sources?
Answer:
Nutrient-rich soil or water contains large amounts of nitrogen, carbon, phosphorus, sulfur, and potassium. These nutrients can come from natural sources, like plant and animal remains. As plants and animals die, they decompose. Decomposition releases nutrients into the environment.
All of the following are found in the DNA molecule excep
O Carbon dioxide
O deoxyribose
O phosphate
O nitrogen
I need help with this... can someone help me
Answer:
1, 2, 1, 2
Explanation:
This would give you an equal number of each atom on each side of the equation
Why do the plant and animal cells SHARE some levels of classification?
Why are some levels of classification DIFFERENT?
Answer:
All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. These smaller groups are based on more detailed similarities within each larger group. This grouping system makes it easier for scientists to study certain groups of organisms. Characteristics such as appearance, reproduction, mobility, and functionality are just a few ways in which living organisms are grouped together. These specialized groups are collectively called the classification of living things. The classification of living things includes 7 levels: kingdom, phylum, classes, order, families, genus, and species .
write the three principles of the cell theory. ASAP
Answer:
The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.
The careful observations of many scientists have resulted in the development of the cell theory. Which of the following is not part of this theory?
a. All cells contain a nucleus.
b. All cells come from existing cells.
c. The cell is the basic unit of all living things.
d. All organisms are made up of one or more cells.
Answer:
a
Explanation:
all cells do not contain a nucleus
Question 17 of 30 What is a disadvantage of using nuclear power? A. Nuclear power produces very little energy. B. Nuclear power is very expensive. C. Nuclear power produces greenhouse gases. D. Nuclear power produces radioactive waste. SU
A disadvantage of using nuclear power is D. Nuclear power produces radioactive waste.
What is nuclear power?Nuclear power is a controversial topic, with proponents arguing that it is a clean and efficient source of energy, while opponents point to the risks of accidents and the dangers of radioactive waste.
One of the main disadvantages of nuclear power is that it produces radioactive waste. Radioactive waste is a byproduct of the nuclear fission process, and it can remain radioactive for thousands of years. This makes it difficult to store and dispose of safely. Another disadvantage of nuclear power is that it is expensive to build and operate nuclear power plants.
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Explain the purpose of the EPA.
What is it called when a species adapts to changing environments, food sources, predators,
etc., and survives to reproduce future generations?
A) Natural Adaptation
B) Natural Selection
C) Selective Adaptations
D) Natural Cooperation
Answer:
B) Natural Selection
Explanation:
Answer:
I agree, it is B) Natural Selection
Explanation:
You learn it
What a makes villages a anthrome?
Answer:
a mix of urban area, forest, and cultivated lands.
Explanation:
I’m in the 2nd column, 4th row, and I’m a metal. Who am I?
2. I’m a very lonely nonmetal. Who am I?
3. I’m the only metal who is a liquid at room temperature. Who am I?
4. I’m named after the person who created the 1st Periodic Table. Who am I?
5. I have 92 protons.
pls help asap
Explanation:
1. Calcium
2. Hydrogen
3. Mercury
4. Mendelevium
5. Uranium
Every cell in your body contains organelles (structures that have specific functions). Just like organs in the body, each organelle contributes in its own way to helping the cell function well as a whole. The nucleus, mitochondria and chloroplasts are all organelles. Some organelles are found only in some cell types.
Answer:
This question is incomplete
Explanation:
However, as described in the question. each cell organelle has specialized function that assists the cell carry-out it's own function as a whole. Cell organelles include cell membrane, smooth and rough endoplasmic reticulum, vacuole, golgi complex, lysosomes, nucleus, mitochondria, chloroplasts among others.
Of these cell organelles, only three were mentioned in the question
Nucleus: This houses the chromosome which stores genetic material. This organelle is found in plant and animal eukaryotic cells. Indeed, eukaryotic organisms are sometimes described as organisms that have well defined nucleus.
Mitochondria: They are found in most plant and animal eukaryotic cells. They are usually referred to as the power house of the cell as they provide energy-rich chemical compounds (called ATP) for the cell's activities.
Chloroplasts: These are cellular structures/organelles that are found only in green plants - they are cellular machinery for photosynthesis in plants. They also contain the green pigment called chlorophyll which is responsible for the green colour of green plants.
The type of the cell in which the organelles mentioned in the question are listed above.
Answers;
Explanation:
Why is biodiversity important?
First and correct answer gets Brainly.
Answer:
The most probable answer is answer choice : A
Explanation:
"Variation in a population leads to increase in likelihood of success during environmental changes." is the answer because if there were a larger amount of species in the/ a(n) area, then the probability of them going extinct is likely to decrease.
It's like if you want ice in your drink!
If you have 3 ice cubes in you drink then it is likely that the ice cubes will disintegrate, and not cool your drink, but if you have a larger amount of ice cubes, then not only is your drink chilling, but your ice cubes will still be there, but smaller.
What is the role of the golgi body in the transporing of proteins out of the cell.
A. It is where proteins are synthesized.
B. It combines proteins with DNA to send out of the cell.
C. It will fold the proteins for transport.
D. It will package and tag the proteins for transport.
Answer:
Hello!!! Princess Sakura here ^^
Explanation:
The answer is choice D.
HURRRY PLEASE!!!!
If oxygen is present after glycolysis, the citric acid cycle begins, which is indicated by letter __.
A) Location A
B) Location C
C) Location E
D) NONE OF THESE
Answer:A
Explanation: