What happens to a zygote after it forms and begins to develop

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:

Which could be a pathway of food through an ecosystem