Evolution is when living things go through changes. This occurs through natural selection.
Using the cladogram about fish, the best description of the organism is it has jaws but no bones.
The correct option is (D).
<h3>What is a cladogram?</h3>
Cladograms are diagrams that depict the relationships between different taxonomic groups, or "clades."
Cladograms are made up of species that have similar derived traits.
Cladogram uses lines to make diagrams. And upper line contain the ancestor species.
Thus, option (D) has jaws, but not bones is correct.
Learn more about cladogram, here:
brainly.com/question/10712018
Answer:
B is oldest because it is at the bottom which entails that it is the oldest.
Explanation:
A Missing or incomplete X chromosome
