Examine the four skeletons.
Indicate which species appears to be best
adapted for swimming underwater for a long
time. Which characters allow the animal to
behave this way?

How do chloroplasts set plants apart from other living things

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming