Which of the following is untrue about cilia? a. they are used to sweep food into mouth-like openings. b. they are used to form a “fake foot” used to move around. c. they are used for locomotion. d. they are tiny hair-like projections on a cell.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

What is the most abundant vertebrate on earth?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?