Answer:
A. Populations were separated through geographical isolation.
Explanation:
Answer: D. at most 10
Explanation:
Using the energy pyramid, the ratio of grassland to primary consumer to secondary consumer is: 100:10:1 respectively.
Thus if the grassland supports 100 cattle (primary consumer), the numbers of humans (secondary consumer) the cattle can feed will be;
100/10 = 10.
DNA in prokaryotes are not bounded by Nuclear Memberane !! It is scattered all over cytoplasm !!
For an animal to be extinct none more of that specific species must exist on Earth. This makes it impossible for that species to come back to life.
