1. Which of the following is a biotic factor? A. sunlight

B. Worms

C. water

D. climate

I think its B

Why does pharmaceutical advertisement leads to drugs addition?

Large quantities of proteins modified by the Golgi apparatus exit the cell through the process of

Which of the following events triggers the subsequent steps of excitation-contraction coupling? a. release of acetylcholine from axon terminals at the neuromuscular junction b.

What is the brain molecule named

What describes the general trend in the evolution of hominid teeth

Sexual reproduction is the reproductive process that 1) keeps species from changing. 2) produces identical offspring. 3) causes mutations. 4) creates genetic variety.

About half of the forests that covered the earth in the early 1900s have been cut down. Discuss the impact this has on carbon dioxide levels in the atmosphere. Support your answer.

How manny amino acids are found in living organisms

A deletion of one base in the original segment of DNA is called a frameshift nutation what will happen to the newly synthesized protein as a result

4. Is predation a density-dependent or density-independent factor?