You need to recognize that the higher on the food chain, the fewer the number of organisms that occupy that level. This is because of the energy that is available from one level to the next has to decrease since it is used for life's processes.
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Answer:
The heart pumps blood through the lungs. In the lungs the blood receives oxygen and releases carbon dioxide. Then the heart pumps this oxygen-rich blood from the lungs to your cells. When the oxygen-rich blood gets to the cells, the cells receive the oxygen and release the carbon dioxide.
The cells in our bodies need oxygen to stay alive. Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out.
Explanation:
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The freshwater biome is made up of any of body of water that is made of freshwater such as lakes, ponds, streams, and rivers. They cover roughly 20% of the Earth and are in various locations spread out all over the world. Most freshwater biomes consist of moving water and contain many types of fish
Answer:
c. the abyssal plain contains the most biological diversity and the majority of all sea life because it is the ocean bed.
