What structure is the opening that allows light to enter the eye?

Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level. a. a lower energy thanb. a higher energy thanc. the same energy as

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry