13. The orthopedic surgeon says that the distal region of the humerus is broken. What area is he describing?
A. Endosteum
B. Epiphysis
C. Perichondrium
D. Diaphysis

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things