Decide which examples are most likely to increase
variation or decrease variation. Some examples
could do both.
Which of the following could possibly increase
genetic variation indirectly?
toxins
predator-prey relationships
competition
new habitat
disasters
increased food supply
DONE
1) Intro

The cluster of developing cells from conception until birth is called an

Which of these is not a nucleotide base found in dna?

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases