After the middle ages the astronomer who changed the model of the solar system by placing the sun at its center was

What type of genetic drift would be simulated if all the beans that were not selected died out?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry