Which of the following describes a population? a. dogs and cats living in austin, texas b. four species of fish living in a pond c. dogwood trees in middletown, connecticut d. roses and tulips in a garden

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.

Give an example of a trait that is controlled by more than one gene.

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4