Describe a chemical reaction

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.