Write a short story that describes an

environmental change and the importance

of genetic variation in helping a species

survive that change. Include characters, a

setting, a climax, and an ending for your

story. Write your story in your Science

Journal. sc.7.L.16.3

In familial hypercholesterolemia individuals homozygous for the allele causing the disorder completely lack receptors on liver cells that take up cholesterol from the blood stream. heterozygous have one-half the number of receptors while individuals homozygous for the normal allele are phenotypically normal. this is an example of a.epistasis b.complete dominance c. incomplete dominance d. codominance

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.