A group of scientists have completed several investigations to gather evidence from fossils about the brachiopod. Which of these is the most likely outcome of the investigations?

Most likely, they’ll get information such as the following:

a. They’ve existed for a long time already, approximately 540 million years ago.

b. The best fossil samples can be found in Pennsylvania and eastern Kansas.

c. Brachiopods are marine organisms with a structure composed of two parts - valves.

d. Brachiopod’s general body plan is bilateral symmetry.

e. Their descendants are now living in the oceans, with about 300 - 500 shellfish species existing today.