The diagram below shows the offspring of a parental cross for a specific trait. u3 question What can be predicted about the parents′ genotypes? AA Aa
Aa aa

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Types of scientific inquiry that biologist engage in that cannot be completely controlled

9. the history of life on earth is recorded in