Today there are fewer than 12,000 cheetahs left on the planet.

Explain, using your knowledge of natural selection, why it may be difficult to stop the decline of the cheetah population.

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

How many types of rock can form from the rock cycle