"stromatolites is a calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia"

Ancient cyanobacteria present in stromatolites are considered as key factor for the increased amount of oxygen in atmosphere. Furthermore, these were considered as first organisms to trap carbon dioxide and release oxygen by the process of photosynthesis.

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3 years ago

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The increase in blood flow to exercising active skeletal muscle relative to other organs is largely caused by the

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Answer:

muscle contraction increases interstitial fluid pressure and compresses the blood vessels within the active muscle. As a consequence, blood flow is highest when muscles relax between successive muscle contractions.

Explanation:

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3 years ago

Is fructose a mono,di, or polysaccharide

Paha777 [63]

Answer:

Fructose is a monosaccharide. Although it has the same chemical formula as glucose, it has a different chemical structure.

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3 years ago