Answer: The answer is the endoplasmic reticulum!
Explanation:
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:
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○ 
motive
○ 
observation
○ 
reaction
◉ 
stimulus
The cue or combo of cues that produces a response is called a 
, which is a thing or event that causes a specific reaction in an organ or tissue.
Answer:
A loss of organisms on higher trophic levels, such as carnivores, can also disrupt a food chain. In kelp forests, sea urchins are the primary consumer of kelp, and sea otters prey on urchins. If the sea otter population shrinks due to disease or hunting, urchins devastate the kelp forest
