The actual answer (sorry for the late reply, but this is for the rest of the people coming afterwards) would actually be B) Switch primitive reptile with primitive insect. Insects came before any reptiles.
Explanation:
The interior of the lungs is made up of spongy tissues containing many capillaries and around 30 million tiny sacs known as alveoli.
The alveoli are cup-shaped structures found at the end of the terminal bronchioles and surrounded by capillaries.
Answer: there are four daughter cells. Each daughter cell has different characteristics from the parent
Explanation: did it
Answer:
D. Sun > Grass > Mouse > Owl
Explanation:
the arrows show the flow of energy; in other words they show who is receiving the energy
