In the following experiment, what is the independent variable? dr. honeydew would like to test the effect of chlorine on beaker's hair color. to test this he pours heavily chlorinated pool water on the right side of beakers head. to the left side of beakers head he pours pure water. after doing this for several days, only the hair on the right side turns green.

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

What does gradualism and punctuated equilibrium have in common

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?