Explain how living in a group, like these lions, increases the fitness of a
species.

What word is used to describe differences of individual organisms

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

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?