Why are all the people on earth members of t he same biological species?

a. all people have the same genetic makeup.

b. all people originated from the continent of africa.

c. all people have adaptations that allow them to live anywhere on earth.

d. all people can mate with one another and have children.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

How do you date a sample of rock that you suspect as being one of the earliest on earth

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except