What effects do keystone specie shave on an ecosystem?

A. They make prey species extinct

B. They reproduce biodiversity

C. They keep populations of species balanced

D. They cause primary disturbances.

How many electrons does beryllium have?

Upon entering the residence of a geriatric patient with a medical or trauma complaint, the emt should:

What is the first stage of protein synthesis? a. the assembly of transcription factors at the promoter elongation, in which amino acids are joined to the polypeptide chain b.

White short-horned cattle and black angus cattle have been crossed to produce offspring with superior beef and rapid grown qualities. This process of choosing organisms with the most desirable traits for mating known as

What makes up the atomic weight of an atom?

Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow. What characteristic do these cells most likely share with cancerous cells? A.) They form tumors. B.) They spread through the blood. C.

Binary fission is a process through which A. all cells divide. B. eukaryotic cells divide. C. prokaryotic cells divide. D. cellular DNA is cut in half.

Describe how this algal bloom might alter the local nitrogen cycle in that ecosystem.

What are the reactants in the equation for cellular respiration?

Explain how mumps vaccine makes someone immune to mumps