Trees take in carbon dioxide to build their tissues , which releases oxygen for us in the process.
Answer:
<u>C</u>
Explanation:
The reason why there are more hares than foxes in the ecosystem is because if only 10% of the energy gets passed on to the next trophic level, then you need to have more lower level animals available to supports the animals higher up the food chain. The fox must eat several hares to gain enough energy for growth and development.
Answer:
negative feedback
Explanation:
Insulin reduces blood sugars when the levels are high in the blood. The hormone is produced by the pancreas and binds on receptors of cells. This initiates cell signaling mechanisms that signal the cell absorb sugars. When the blood sugars get back to normal, insulin production is reduced.
<span>biological </span>evolution<span> is the process of change by which new species develop from preexisting species over time; in </span>genetic terms<span>, </span>evolution<span> can be defined as any change in the frequency of alleles in populations of organisms from generation to generation.</span>
The correct answer is C. Short tandem repeats are mostly different in unrelated peoples' DNA. Therefore, it is used to match the DNA of the people of the related family for identification of bodies, during a mass disaster like World Trade Centre. DNA from the nucleus is extracted in the process, and the STR containing regions are amplified and studied and can be matched with that of the relatives.
