During intercourse, approximately million sperm are released.

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d i know the answer is not option b

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.