What are three things all cells need?

Bison are grazers, living in herds that migrate in search of better pasture. Bison live in A.) Freshwater biomes b.) grasslands. c.) deserts d.) tropical rain forests

Which set of materials would be best to use to prepare a wet mount slide of onion skin cells?

What class of molecules do DNA belong to

2. Water molecules are polar, which means a. Each molecule has a positively charged end and a negative end b. They are cold c. Each molecule has a positive OR negative charge d. They orient north and south

Which best explains the surface tension of water? •capillary action, •Cohesion, •Adhesion, •Sublimation?

Soil formation is most influenced by__. Wind speed. Cloud cover. Air pressure. Rain fall.

What is the basic cause of ocean tides? A. Gravitational attraction between the Moon and the entire solar system B. Gravitational force of atmospheric pressure C. Gravitational force of volcanic activity D.

Which type of chromosomal mutation causes this form of Down syndrome?

Chlorine is added to kill remaining microorganisms in the water. true or false.

Sensation is the process by which our sensory receptors and nervous system take in stimulus energies from the environment;