When do scientists believe life originated on earth? a.3 to 4 billion years agob. 600 million years agoc. less than 6,000 years agod. over 5 billion years ago

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above