It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
Answer:
maybe do B, not all of the same water molecules travel with the same wave
Explanation:
The two adjectives that BEST describe Gary’s friends are untrustworthy and envious (Options D and E). In this history, his friends are misusing Gary's motor scooter.
<h3>The Reed scooter</h3>
The Reed scooter is a history in which Gary's friends are misusing his beautiful motor scooter.
In this history (the Reed scooter) Gary learns the mechanical issues and drivetrain of a motor scooter.
Gary’s friends can be considered untrustworthy (they are not able to be relied on as truthful) and envious (they show feelings of envy).
Learn more about the term untrustworthy here:
brainly.com/question/25578076
B. all eukaryotic cells
hoped this helped!
A city has flooded leaving many people without houses or cars. People are having to walk to go out to places.