Energy in an ecosystem flow from consumers to producers.

True or False

Which is the correct zooplankton size variation from smallest to largest?

How many amino acids cannot be made by the body, so they must be obtained in the diet? A. 2 B. 5 C. 10 D. 20

Prokaryotes have their chromosomes located in an area called the nucleoid. a. True b. False

Knowing what tetanus toxin does to motor neuron activity, predict what would happen to the concentration of acetylcholine in the synaptic cleft.

Select ALL ways that acetyl-CoA can be used in a liver cell. Select ALL ways that acetyl-CoA can be used in a liver cell. Acetyl-CoA can be converted to ketone bodies. Acetyl-CoA can enter the citric acid cycle for further oxidation.

Which important property of DNA did Friedrich Miescher discover? -It is made partly of sugar molecules. -It has a double-helix structure. -It is three-dimensional. -It is found in the nucleus of a cell.

2. What is meant by predation? What is the relationship between a predator and a prey?

Sex-linked recessive disorders are most often passed from mother to sons

Bacteria can grow on meat that has not been cooked to the proper temperature and can cause food borne illnesses. Question 1 True False i think its false

What cause the loss of wetlands