Human activity contributes to the extinction of species. Which is not a human activity that contributes to the extinction of a species?

a. introducing a nonnative species

b. hunting

c. fungal disease

d. cutting down forests

How does the amount of a dolphin's brain dedicated to visual sensing compare to the amount dedicated to sound processing A visual sensing is equal to sound processing B visual sensing is relative to sound processing C visual sensing is ten times

Why do leaves change color in fall? What is the dependent variable?

Which of the following marine ecosystems consists of an aphotic zone? A. The intertidal zone B. The wetland C. The coastal ocean D. The open ocean

What muscles are part of the hamstring group?

Living things cannot come from nonliving things. This statement supports which part of the cell theory? A) cells are the basic units of life B) all cells come from pre-existing cells C) all organisms are made up of 1 or more cells

Which is more likely to be dangerous-a volcano that erupts frequently or a volcano that has been inactive for a hundred years? Why?

Why are the chemicals in photosynthesis and cellular respiration the same?

What is the mass of the sun guess

Oxycontin abusers are typically young white males. a. True b. False

A species displaying which of the survivorship curves is likely to produce the most offspring?