A typical adult male?

a. produces sperm up to about 65 years old.

b. produces sperm during a monthly cycle.

c. is born with all the sperm he will ever produce.

d. produces several hundred million sperms each day

How do molecules of water move during osmosis

What types of food making processes are there

Decomposer serve a key role in the nitrogen cycle primarily because they 1. Fix the nitrogen in the soil. 2. act as food for consumers who use nitrogen to build their bodies. 3.

Chemical substances that organism require to live

How many days does it take for the moon to complete one cycle of phases as viewed from earth

Why might the risk of infectious disease be high in a community that has no water treatment facility?

The resistance of many bacterial species to antibiotics is an example of: stabilizing selection directional selection disruptive selection extreme selection

An amino acid sequence in whales for a protein shared by all organisms will be the least similar to the sequence in

Which of the following statements about water are true? Check all that apply. Water covers 75% of the Earth Once water is used it can never be reused. Only 3% of Earth's water is fresh water. Water comprises the majority of all plants and animals

How organisms could be harmed by high levels of salt from roadways, and expressing your opinion about whether it should continue and why.