Look at the list of incrx fossils in the Key. In which period did each index fossil exist?

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant