B) All living things are made of cells.
Answer:
They increase the levels of catecholamines—a family of brain chemicals that includes dopamine.
Explanation:
Stimulants are a class of drugs that “stimulate” the body's central nervous system, which includes the brain and spinal cord. They increase the levels of catecholamines—a family of brain chemicals that includes dopamine. These chemicals are used in the brain processes to signal reward and motivation.
<span>d. The percentage of the original energy from producers that's available to the consumer is quite small.
The 10% energy rule.
This energy rule states that every energy that is transferred from one organism to the other decreases by 10%. For example, a plant has created food thru photosynthesis gained 1000J and a cow eats it it would receive an energy of 100J and a human eats the cow would receive 10J.</span>
The spider plant forms mounds of narrow leaves. While spider plants with all green leaves can be found, these are the rarest variety. Most commonly, spider plants are found with a white or yellow stripe down the center of the leaves. grows in soutjern africa habitat is 80 degrees or more not past 100 dregrees thoe. Also called ribbon plant. a plant, Chlorophytum comosum, of the lily family, native to southern Africa, that has long, narrow leaves and clusters of white flowers and is widely cultivated as a houseplant.