What is semen? a) an exocrine gland near the opening of the urethra b) the testes located on the outside of the male body c) a combination of sperm and other reproductive fluids d) a production of fluid that gives the sperm nourishment -

The energy of blowing wind can be harnessed to create electricity. why is wind considered a renewable energy source? a) wind does not cause destruction of the environment.b) wind turns the blades of a windmill that creates electricity.c) wind provides only a very small amount of electricity to the united states.d) wind comes from atmospheric conditions that are available indefinitely.

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

Where can you find prokaryotic and eukaryotic cells?