Which of the following organisms is likely to be most affected by biomagnification of a pollutant? a. phytoplankton
b. zooplankton
c. fish d. hawk

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

What happens whenever a net force acts on an object

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms