Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration
Answer:
Helper T cells are activated when they bind to their target antigen being displayed on an antigen-presenting cell. These cells then release what chemical? Cytokines, which is a chemical that signals B cells and other T cells to activate.
C-the spinal cord and the brain make up the central nervous system
The amount the country has available
Varying environmental factors determine the different traits is the reason why organisms have specific adaptations.
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What is Adaptation?</h3>
This is the process in which organisms undergo certain changes which makes them become more suited to their environment.
Different environmental factors such as cold climate etc which ensures organisms survive through possession of thicker furs etc.
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