When a cross is made between AaBb x AaBb, what fraction of the offspring is able to produce a genotype that is heterozygous for both characteristics? A.3/16
B.9/16
C.1/16
D.4/16

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."