Which of these might be used to determine common ancestry of two different species of animal
A. Fossil evidence
B. similar habitats
C. similar ecological niches
D. The size of the population

What makes a dominant allele different from a recessive allele

What are some natural processes that represent physical and chemical changes?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.