Answer:
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Explanation:
The original cell is divided into two new cells
Answer:
10% of an animals energy gets gained as you move up the food chain. the rest of that (the 90%) is used for metabolic processes or given off to the environment as heat.
Explanation:
hope this helps
Answer:
temperatures in the atmosphere change with altitude
Since the blood does not return to the heart after flowing
through the gills, pressure is not regenerated within the system before it
flows to the systemic circulation (the rest of the body). A single circulation
would experience a loss of pressure after flowing through the gas change organs
(gills of a fish) due to the high cross-sectional area presented by the
capillaries of the gills. For ectotherms like fish, this is efficient enough to
support their activity level. A fishes behavior would change in a few ways if
it had an open circulatory system. However, the most common would be the fish
would become extremely active.