Although glycolysis is a very useful process, about of the energy is still unused. a. 75% b. 80% c. 90% d. 95%

The image shows embryos of three vertebrate classes

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?