Why is plankton important to aquatic ecosystems?

Which statement is NOT true of genetic drift? A) genetic drift creates greater diversity within a population B) population bottleneck and founder effect are two types of genetic drift C) the smaller the population, the greater the impact genetic

Electromagnetic radiation can contribute to the "sick-building" syndrome concern. a. true b. false

A student is performing a gram stain of a mixed culture of both e. coli and s. aureus and he forgets to decolorize with ethanol. what should his slide look like?

What is the ultimate source of energy for most organisms and how is this energy capture so it is useful in a food chain?

PK-M2 has also been found in many tumor cells, but is in an inactive state. Explain why this seemingly counterintuitive discovery is actually a benefit for tumor cells.

Whit is the relationship between monomers and a polymer

Which statement about the U. S. Clean Water Act is true?

The United States uses which source of energy to produce almost 40 percent of its electricity? A. solar B. water C. biomass D. wind E. coal

Which cell breaks down carbohydrates

What characteristic distinguishes the five groups of fungi?