The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century
Plant cells have a cell wall, but animals cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not.
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Answer:
transpiration
Explanation:
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Answer:
<em>Genes are one dimensional.</em>
Explanation:
The genes are made up of segments of DNA. The DNA has a three dimensional structure as coiling and super-coiling occurs in it to give it a three dimensional structure. But genes itself are one- dimensional. Genes are the hereditary molecules.
The genes makes particular proteins. Proteins also have three dimensional structure as they undergo coiling and super-coiling.
(D), amount of time and area of physical contact between the substances
