Answer:
A. Biodiversity will decrease .
Explanation:
- The loss of a keystone species can cause extinction or mass destruction of other species that are dependent on it because keystone species are those species which significantly influence the existence and survival of other species in an ecosystem
- Since, beavers are considered as the keystone species, their removal from the ecosystem will cause loss of many other species in the ecosystem resulting in Decrease in the biodiversity of that ecosystem.
Answer:
Natural selection.
Explanation:
Natural selection is when organisms who are most adapted to their environment survive and pass on their genes while those with "unfit" genes die and don't get the chance to reproduce! This slowly creates a population that is most well suited to their habitat. Hope this helps again LOL! :)
This answer to this question is <span>Basilosaurus. This was </span><span>a </span>genus<span> of prehistoric </span>cetacean. It lived<span> during the </span>Late Eocene<span> 40 to 35 </span>million years ago<span>. This species had tiny hind limbs and only three toes. To illustrate,</span> a<span> 16 m individual</span><span> had 35 cm long hind limbs with fused tarsals and only three digits.</span>
