In the nitrogen cycle, which organisms are responsible for converting ammonia into nitrates that can be used by plants?

A) nitrogen-fixing cycle

B) decomposes

C) nitrifying bacteria

D) denitrifying bacteria

Identify 5 physical forces found on our planet

Name the four levels of group organization of living things in order of increasing complexity

4. Once a stimulus generates an action potential in the sensory neuron associated with the receptor, how does the brain know that the stimulus is extremely painful in the left foot?

Chemicals that resist changes in ph are called

Which component of blood is responsible for the formation of blood clots? a. all blood cells b. red blood cells c. myoglobin d. platelets e. white blood cells?

Your skin is pale, cold, and clammy. your pulse is rapid. your breathing is shallow. you feel fear. these are symptoms of

The processes of diffusion and transport are both used to? 1) break down molecules to release energy 2) move molecules into or out of cells of the body 3) bring molecules into cells when they are more concentrated outside of the cell 4) move

Which question would be asked in a dichotomous key? A. How long are the insect's antennae? B. Are the insect's antennae longer than its head? C. Are the insect's antennae long or short? D. How does the insect use its antennae?

Human ABO blood type is determined by a single gene that comes in 3 distinct alleles: IA, IB, and i. The IA and IB alleles are each dominant to the i allele, but are codominant with each other, meaning that both phenotypes are expressed in the

Claire was rushed to the hospital when she suffered chest pain that extended to her arms, neck, jaw, and shoulders. The diagnostic reports showed inadequate blood flow to the myocardium.