Answer:
D.
Explanation:
A 'common ancestor' on a cladogram is all of those points where your lines come down and meet the primary line at the bottom.
In this case, your most recent common ancestor is at the point connected to the crocodile. All species at or past that point have that common ancestor, which include only the crocodile and the bird.
Answer:
commensalism mutualism,parasitism
<span>Market demand for goods associated with a species.</span>
Answer:
The first inhabitants are lichens or plants—those that can survive in such an environment. Over hundreds of years these “pioneer species” convert the rock into soil that can support simple plants such as grasses. These grasses further modify the soil, which is then colonized by other types of plants.
Explanation:
Answer:
C. Sometimes molecules need to move from low to high concentrations.
Explanation:
