<span> 3-phosphoglycerate is a compound that produced.</span>
Answer: virus are nun living virus do not have all the characteristics of living organisms they are not made of cells do not use in and obtain energy they do not respond to the environment.
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He chose peas because they had been used for similar studies, are easy to grow and can be sown each year.
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I just saw the answer on the website :)
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Pond ecosystem considered as an open ecosystem because pond is always open . There is an interaction of pond with atmosphere , due to which it ecosystem becomes open.
