The experiments conducted by this scientist demonstrated the principle of biogenesis. a. darwin c. pasteur b. mendel d. aristotle

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?