<span>D) possibility that native wild organisms could overpower the cloned organisms, causing them to become extinct
Whenever you do bioengineering, you want to affect the existing ecosystems as little as possible.</span>
- Biology Definition: Respiration is a chemical reaction that happens in all living cells. (Both plant cells and animal cells). Respiration is the way that energy is released from glucose so that all the other chemical processes needed for life can happen.
- Normal definition: The action of breathing, also called ventilation.
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Answer:
Number of bacteria required 
Explanation:
Given -
Size of each bacterium
micrometers long
These bacteria are arranged end to end.
The size of chain to be formed is equal to
centimetres
Let us say that in forming a chain of
centimetres nearly X number of individual bacterium are required.
hence, number of bacterium required to form
centimetres chain can be represented as

Number of bacteria required 
listen I'm only in 5th grade it's not know the answer to this how are you supposed to just be asking question like this what is this even meaning