Which of the following is not a tissue type? a. epithelial b. plasma c. nerve d. connective

Which of the following is an incorrect statement? A. Gastrovascular cavities have a single opening through which animals both ingest food and expel wastes. B.

From which substance are antibiotics usually derived? a. amino acids b. bacteria c. nucleic acids d. proteins

AaBb people are crossed to aabb people. The following progeny were observed: 5 AaBb, 45aaBb, 45 Aabb, 5 aabb. Two of the AaBb progeny were then crossed to each other.

The bottleneck event that the cheetah went through in the last ice age ultimately resulted in a stronger, more robust species.

One of the original Amish colonies rose from a ship of colonists that came from Europe. The ship’s captain, who had polydactyly, a rare dominant trait, was one of the original colonists.

The air that we breath is made mostly of which gaseous molecule?

Carbohydrates, DNA and lipids can be found in living things as long as Molecular Chains. Which of the following statements best describes how DNA differs from lipids and carbohydrates. A:Only DNA contains nucleotides.

Stem cells are cells that stay the same and never differentiate into different types of cells. A. True B. False

How does photosynthesis affect the flow of energy in the biosphere?. A. Photosynthesis is the base of energy flow, because it converts energy from the sun into fuel for plants and animals ... B.

Which of the following would NOT be considered a vestigial structure? a. fingernails b. wisdom teeth c. your appendix d. Your tail bone