how does the aerobic respiration equations explain why the total amount of O2 and CO2 remains the same

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite