The nervous and endocrine systems<span> exert the ultimate control over </span>homeostasis<span>because they coordinate the </span>functions<span> of the </span>body's systems<span>. Regulation of </span>body<span>temperature, blood pressure, pH, and glucose concentration are four examples of how the </span>body<span> maintains </span>homeostasis<span>.</span>
Keystone species, they kinda hold the food webs together
Answer:
No, mutations do not all result in negative effects. Sometimes they can be beneficial, as they are completely random. It is our general tendency to think of the word "mutation" in negative terms; however, do not get confused. Mutations are the root/ultimate source of genetic variation; they are one of the main factors that allow populations to evolve.
The answer is attached in a file read it.
When the number of phytoplankton drastically decreased, this would affect the entire food web.
Phytoplankton are plankton consisting of microscopic plants. They are the autotrophic components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems.