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:
I believe there are 6
Explanation:
Protons are the positively charged circles (blue)
Neutrons are the Neutral (red)
and the others (green) are called electrons
The statement that best describes the Americans who served in the Vietnam war was most of the US soldiers were all young, working class volunteers. The correct answer is D.
Answer:
I'm supposed to know this, but, what do u mean?
Explanation:
I'm new to this app...
