1. Which of the following statements best describes a prediction?
а
The number of deformed frogs in five
ponds that are polluted with chemical X
is higher than the number of deformed
frogs in five ponds without chemical X.
If the water in a pond has lower levels of
b pesticide then there will be less
deformed frogs.
С
The number of deformed frogs is not
affected by the presence of chemical X in
the pond.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.

If a checkpoint detects damaged dna, the checkpoint may