To make ATP, cells must join together ADP & a phosphate using energy from food. A phosphate is removed from an ATP molecule in order to provide energy for the cell. Thus, the ATP molecule turns into an ADP molecule. We eat food which gives us energy to add another phosphate group to the ADP molecule, turning it into an ATP molecule. The cycle then begins again.
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
Explanation:
B.
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The answer is C. The Sun
The energy that producers get from the sun, along with water, allows them to begin photosynthesis, the process in which they make their food, because they are not able to absorb other forms of energy because they are plants.
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Answer:
The osprey card and its description should be placed in the heterotrophs group.
Explanation:
Organisms that can synthesize inorganic substances, such as light, and turn it into food according to their own needs are <u>producers</u>, and they are called a<u>utotrophic organisms</u>. These organisms are by excellence all <u>plants</u>, that <u>photosynthesize</u>. Organisms that are incapable of producing their food are called <u>heterotrophic organisms</u>. They <em>depend on other organisms</em> from the trophic chain such as plants or other animals to feed on, so they can get proteins and energy.
In the trophic chain, heterotrophic organisms occupy the <u>first, second or third consumer level</u>, after producers.
There are different types of heterotrophic animals: carnivorous, herbivorous, omnivorous, hematophagous, ichthyophagous, and etcetera. All of them depend on autotrophic organisms.
Answer;
The substance that can enter a cell by diffusion without having to be digested is water.
Explanation;
Diffusion involves the movement of molecules from a region of high concentration to a region of low concentration, down a concentration gradient.
Water is able to diffuse through the cell membrane without being digested since it has small molecules.
One property of cell membrane is semi-permeability; it selectively allows material to enter or leave the cell. Large molecules such as starch , fat and proteins, can not enter the cell due to their size and will need to be digested to small molecules for the to gain access to the cell.