Answer:Key stone
Explanation:
Keystone species hold together the complex web of relationships in an ecosystem. They can be animals, plants or microorganisms. Examples of keystone species include starfish, sea otters, wolves and elephants.
Answer:Biodiversity. The variety of organisms in a given area. Succession. The replacement of one community by another at a single place over a period of time. Pioneer Species.
Explanation:
<span>This would require an MRI. By using the magnetic waves, the doctor can figure out which tissues in the brain sustained damage (if any). In addition, the MRI can produce images that would not be as easily shown by CT scans.</span>