Answer:
a waste is waste when it's unwanted for example there's a piece of cardboard and you threw it away cause you thought it had no use but you could have mad some useful things out of it. thanks
hope my answer is helpful .I guess so
Skin is a barrier that serves as one of the body's first lines of defense against harmful microbes. Specialized immune cells within skin tissue help to fight invading organisms. Past work by an NIH research team showed that commensals can help the body's immune cells fight disease-causing microbes.
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Answer:
Each bundle of muscle fiber is called a fasciculus (singular fascicle) and is surrounded by a layer of connective tissue called the perimysium
Explanation:
1.The nucleus of a cell allows it to perform its activities
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2.The cytoplasm of a cell includes organelles, which are structures that perform the functions the cell needs to live.
3.Cells are the functional units of living organisms.
4.The amount of material a cell needs to function is determined by its nucleus.
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Answer: One way of creating a variation in a population is through genetic replication errors. This will make a new type of alleles. Environmental factors cause variation such as affecting enzyme activity and function. The changes would show in the phenotype of an organism.
Explanation: thus is one way ik for sure another way idk srry