A mutation is a change in trait. For example people who are lactose intolerant are normal, but people that can can drink milk without a problem have mutated. Hopefully this makes sense and helped.
C) homeostasis is the answer!!
Answer:
Nucleolus
Explanation:
This is a cellular structure inside the nucleus that is responsible for the production of ribosomes.
Explanation:
Muscles act on joints antagonistically. Some muscles will contract while other contract pulling on bones around joint hence enabling movement. An example is the elbow joint is moved by antagonistic action of biceps and triceps. When your biceps contract and triceps relax you are able to bend your arm at your elbow. When your triceps contract and biceps relax, your arms straighten.
Learn More:
Learn more about muscle action on joints;
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