Answer:
Answer would be A
Explanation:
If you cannot read it A is
warm, moist air rises
Answer:
Evolution is not the same as adaptation or natural selection. Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations.
Cartilaginous fish do not contain any bones - their skeleton is made up of cartilage.
Both facts and observations. If you are having trouble understanding this concept, follow up with your teacher, as it is very important. Hope this helps!
Answer:
C. The evolution of many species from a single ancestor over a long period of time
