The 5' end of the DNA molecule is considered the , while the 3' end of the DNA molecule is considered the . a. end, middle

b. beginning, end

c. end, beginning

d. middle, end

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Which particle controls what element an atom is?