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.
The reason is that something changed that caused them to be unsuccessful in their environment.
Sorry if it is not right.
No. The Blobfish, or psychrolutes marcidus, is actually a vertebrate.
C. Anabolic pretty sure this is the one I got right but can’t remember
reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
