To determine the effect of the bicoid gene, scientists injected bicoid mRNA into the posterior end of freshly laid fruit fly eggs. What effect would you expect such an injection to have on the flies' development?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

The two main stages of cell division are called