Answer:
Primary succession is basically the start of a brand new ecosystem. This is when pioneer species form and grow like lichens and some grasses. Secondary succession is when the ecosystem is already started and it's continuing to grow. During this time populations of other species begin to inhabit the ecosystem like shrubs and trees and some animals. Both of these processes take years to complete. An example of an event would be a volcanic eruption, and a wild fire.
Explanation:
The digestive system facilitates excretion of wastes by eliminating wastes from the digestive tract. During the digestion process, after the nutrients in the food has been absorbed by the small intestine, the waste products in the food will be moved into the large intestine where it will be processed for elimination in the form of feces. <span />
<span>The answer to your question is Homo sapiens.</span>
Answer:
Urea is produced when foods containing protein, such as meat, poultry, and certain vegetables, are broken down in the body. Urea is carried in the bloodstream to the kidneys, where it is removed along with water and other wastes in the form of urine.
Explanation:
