The correct answer is option d. its absence would affect many organism present in the community.
The keystone species are the one, who play a very important role in the ecosystem. In case, the keystone species is wiped off from a particular ecosystem, then the function of the ecosystem would cease and lead to a major effect. Hence, the keystone species is very important for the survival of ecosystem.
Answer:
your answer is gonna be, phenomena which are too large
Explanation:
Answer:
A (The melting of ice in the polar regions)
Explanation:
Global warming creates many effects, which include ice melting way before it should. Sea levels have also risen in the past years which supports the fact of ice melting.
<span>c. hibernation. Alpine animals can survive the cold winter by hibernating. </span>They also migrate to warmer places or insulate their bodies with thick layers of fur and fat.