The answer is c gametophyte
The answer is; raccoons and rodents
Racoon will burrow in the soil or tree logs and form a den where they can litter. When threatened, the raccoon can retreat to its hideout or climb a tree. Rodents also scrawl the bottom of the forest finding food. They also love to burrow or hide in crevices of fallen tree trumps or rocks.
A normal heart rate ranges between 60-100 beats per minute. The higher the heart rate is, the faster the blood is pumping through the heart. When exercising a persons heart will be higher because the brain and the muscles in the body are in need of oxygen so the heart needs to pump faster in order to sustain optimal performance.<span />
The answer will be haptens because haptens has the ability of combining to carriers that are large enough to produce antibodies. The large carriers are usually the proteins that binds to it after producing antibodies. The antibodies, ions and reagins does not comply in the question above for antibodies focus more in the immunization. The ions are the electrons that produce positive or negative electric charge and the reagins are the ones responsible in allergic reactions.