A part of all organic compounds is cells.
3. all the living things in the forest ecosystem.
Biologists use plasmids to join two DNA molecules together.
Gametes<span> are the reproductive cells used during sexual reproduction to </span>produce<span> a new organism called a zygote. The </span>gametes<span> in </span>males and females<span> are </span>different. The male gamete<span> is called sperm. It is much smaller than the </span>female gamete<span> and very mobile.</span>