What is the source of the oxygen released into the air as a product of photosynthesis?

which of the following best explains why organisms of the same species that become isolated eventually become different from each other over time

Your best friend eats plenty of meats and dairy products but avoids eating fruits and vegetables. She bruises easily, her sores take a long time to heal, and her gums bleed when she brushes her teeth.

In a plant cell, how do you distinguish between interphase and telophase?

The prefix tri means three. In the word tri-phosphate, three what?

Can anyone tell me how lung cancer interferes with the homeostasis of the body?

Two cats are mated. one of the parents cats is long haired (recessive allele). The litter which results contains two short haired amd three lomg haired kittens. What does the secon parent look like, and what is its genotype?

The blood in the lungs contains less oxygen and more carbon dioxide than the air. explain why oxygen moves from the air to the blood and carbon dioxide from the blood to the air

What do all plant life cycles have in common?

What Happens when a ATP loses a phosphate group

What is the primary storage form of carbohydrate in the body?