This is an example of; evolution
Evolution is a gradual process in which the characteristics of a species are changed in response to its environment over several generations. Evolution depends on the process of natural selection. Some of the changed characteristics (traits) may be beneficial to the organism and it can be transferred to their offspring.
Pinworms are also known as threadworm or seat worm in some countries. Its Scientific Classification:
Kingdom: Animalia
Phylum: Nematoda
Class: Secernentea
Subclass:
There are different types of pinworms in humans and animals. They spread by touching contaminated object they are also parasitic worms.
Answer:
The organism at location D is the common ancestor
to organisms at location A, B, and C.
Explanation:
Hi! This is your answer because the organism at location D is at the very beginning of the cladogram thus passing on traits to organisms A,B, and C.
Hope this works for you.
