Answer:
generic variation helps species survive because it gives there offspring there traits to survive
Explanation:
Answer:
One fertilizes the egg, and the other combines with the two polar nuclei.
Explanation:
Answer:
Larger islands that are large and close to the mainland are shos lower rate of extinction due to the fact that the species present have more space so there will be more resources available in comparison to smaller islands where limited space and limited resources available.
Extinction is greater on islands isolated due to the unlikelihood of immigration and as it is opposite to the island close to the mainland and competition is more in isolated islands.
