A flatworm grows insides a freshwater snail and gives the snail a harmful

infection. What relationship does this describe?

predation

parasitism

mutualism

commensalism

What is one thing all major air pollution disasters have had in common? They occurred in large cities. They occurred during winter months. They resulted from acid rain. They occurred in industrialized areas.

A nurse has provided education for a patient newly diagnosed with hypertension who is just beginning therapy with antihypertensive medications. Which statement by the patient indicates a need for further teaching?

Explain why your results of the optimal ph of the lactase enzyme make sense for the human enzyme? explain the results in terms of the structure and function of proteins.

The method of grouping organisms into categories that represent lines of evolutionary descent called

Whats left after a supernova explosion?

Which of these is NOT something that happens when the soil is overused?

In a Venn diagram, the separate circles contain characteristics unique to each item being compared and the intersections contain characteristics that are common to both items being compared.

The ability of an atom to attract shared electrons is called its

Are viruses considered nonliving because they're are not made of protein

What is the environmental pressure of a rabbit?