B.
Most animals came from the Ancient lobe-finned fish them depending on their ecosystem evolved the bones to better suit their needs.
6CO2 + 6H2O + light energy = C6H12O6 + 6O2
Answer:
Please, you stated : "Eukaryotic cells grow and divide through a series of events called the cell cycle as shown in the diagram below." what diagram???
Your teacher likes to copy. Found this at https://examples.yourdictionary.com/examples-of-keystone-species.html
Grizzly bears: As predators, bears keep down the numbers of several species, like moose and elk. They also carry and deposit seeds throughout the ecosystem. Bears that eat salmon will leave their dropping and the partially eaten remains that provide nutrients such as sulfur, nitrogen and carbon to the soil.