What is the common name for the class aves?

Why might a dysfunctional gene affect one type of cell in the body, but not other types of cells?

Which of the following organisms most likely have the most characteristics in common? A. Protist and Streptococcus B. Mushroom and honeybee C. Moss and E. Coli D. Archaea and mold

Typically, biomes are not classified solely by temperature, but rather the overall climate.

8. After the action potential passes through an axon, what restores the resting potential?

Which part of a plant absorbs water and anchors the plant in the soil? a. root b. leaf c. flower d. stem

Which of the following is not a factor in determining if an animal should be placed on the endangered species list? the animal's fur is valuable to humans. the animal's habitat is threatened. the animal is predated on significantly by other animals.

In Costa Rica one can find the Arenal Volcano surrounded by the Cloud Forest, a rainforest, and multitudes of life forms. This area demonstrates the interaction of which of the following "spheres"? Check all that apply. A. biosphere B. exosphere C.

The process of chemical cycling is known as a biogeochemical cycle because it a. takes places over a long period of time b. withdraws the chemical form the atmosphere as a gas c. absorbs the chemical involved from the sediment d.

What step first happens in DNA replication?

Why was Charles Darwin considered to be a revolutionary?