Which period is known as the age of fishes? a. mississippian b. devonian c. permian d. jurassic

Would really appreciate it, i have an idea but not completely sure

What would happen if the krill were removed from the food web

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)