Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
Digestion is of two types, mechanical and chemical. Food first enters the mouth where it is mechanically digested by the teeth and chemically digested by the enzymes in the saliva. Next, food travels to the pharynx and then the esophagus via peristaltic motion of the muscles. Then the food enters the stomach, where chemical digestion is completed. The broken down food is sent to the small intestine for absorption and then the large intestine to have water removed and then be expelled from the body.
Answer:
Option A. Oxpecker birds eat parasitic ticks off the backs of zebras, is the correct statement for Mutualism.
Explanation:
Oxpecker birds is a special type of bird which feed on the parasites that are present on the surface of zebra. These parasites causes harm to the zebra. Oxpecker birds free the zebra from the parasite while the zebra provides food to the oxpecker bird and both get benefit from each other. So it is Mutualism relationship.
Option D. A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat, is a type of parasitism relationship.
D. Wood
Wood is a natural resource whereas everything else isn’t.
<span>Supposing that there is a man or a person standing with a drawn bow and an arrow,he is aiming it at a bull's eye target. The person has a potential energy then. Potential energy is an energy at rest. However, the bow and the arrow too has a potential energy, but when released, it turns out to have the kinetic energy, or energy in motion.</span><span />
