One way that enables blood in your leg veins to return to the heart in spite of the downward pull of gravity

The diagram shows Virginia's watersheds. Which watershed is the largest in Virginia? James Yadkin Chowan Big Sandy

Which are all renewable resources? A. oil, biomass, hydroelectric B. coal, geothermal, biomass C. natural gas, hydroelectric, solar D. hydroelectric, biomass, geothermal

Which trait indicates that a resource is nonrenewable? A. It has a very high demand. B. It can never run out. C. It is never replenished. D. It is replenished at a very fast rate.

Reconstruction involves A scientists putting fossilized bones together to see what an animal looked like B taking clues found in rocks, fossils and the surrounding area to learn about an animal's life C assuming that the environment where a fossil

What is the most likely consequence if a living organism can not adapt to its environment?

An african american couple is undergoing genetic counseling to determine the likelihood of producing children with a recessively genetic blood condition.

What is maintenance of the ph of human blood within a certain range known as?

What best describes a gamete

In the alternation of generations life cycle the diploid zygote grows into a sporophyte plant through a process called

Which statement is true for both plant and animals cells? They have centrioles and cellulose. Animal cells are generally smaller than plant cells. They have mitochondria and chloroplasts. They have cell nuclei and vacuoles.