1construct a simple hypothesis
addressing the effect of
temperature on bromelain.
identify the negative control,
independent variable, and
dependent variable addressed
in this experience

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

meiosis is the correct answer

i think i can answer even without the example. over time with environmental changes, sometimes a group of animals will adapt to better survive. take a moth for example. if the trees the moths use to camouflage themselves from predators, started to die or change colors themselves, the moths may, overtime of course, change color too. its just adapting to its surroundings. hope i was of any : )