A. instinct.<span>Instinct is the tendency of an animal to exhibit a particular complex behavior.</span>
        
             
        
        
        
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.
 
        
             
        
        
        
Answer:
It only moves a specific amount per second.
Explanation:
this is very vague because there was no context but you get the gist of it
 
        
             
        
        
        
Answer: Yes! there is life in the stratosphere but not the type you think, it's actually microbial life forms that live on it.
 
        
             
        
        
        
Some limiting factors that the Orca population experienced while in captivity include food and dissolved oxygen.
<h3>What is Limiting factor?</h3>
This refers to any variable or factor in the environment which limits the population expansion of a given species.
In the case of Orca they are present in the sea and need food and dissolved oxygen to survive which is why it acts as a limiting factor due to their absence causing a decline in population.
Read more about Limiting factor here brainly.com/question/1375274
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