A virus is a

A. host

B. producer

C. consumer

D. intracellular parasite

Watersheds may be contaminated by fertilizers and other pollutants. When these substances enter a waterway, they can cause algal blooms, which are rapid overgrowths of algae. When the algae die, the decay uses up a large portion of dissolved oxygen.

Which statement supports the following conclusion? Genetic modification of foods is beneficial to society. A. Most of the foods we eat have been genetically modified. B. Genetically modified foods are heartier and healthier. C.

what is the role of the liver A it makes all four digestive enzymes B it makes nephrons C It produces urine D it produces bile

The amount of energy captured by plants and made available to consumers in an ecosystem is called:

What is the prime mover in anatomy?

Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?

Why do farmers sometimes use more wasteful methods of irrigation than are available?

What vessels connect to the kidney

In what ways is vaccination different from other types of personal health?

How has the discovery of DNA affected the classification of protists (check all that apply) 1) many scientists wants to get rid of the kingdom Protista 2) some organisms have been moved out of the kingdom Protista 3) classification is generally