The energy role of a grizzly bear is that of a(n) because it cannot make it's own food

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Apair of fruit flies reproduces and has 1,000 offspring. all 1,000 of the offspring have the alleles gg. what is the most likely combination of alleles for each parent

How does the carbon cycle involve an exchange of carbon