Molecule, organelle, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere
Answer:
600
Explanation: there is always a 3:1 ratio when you have a dominant and recessive trait.
hope it helps!
Answer:
The acquired immune system, with help from the innate system, produces cells (antibodies) to protect your body from a specific invader. These antibodies are developed by cells called B lymphocytes after the body has been exposed to the invader. The antibodies stay in your child's body.
