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kenny6666 [7]
3 years ago
11

1. Identify the taxa labeled A, B, C, and Din the chart. A. B. C. D.

Biology
1 answer:
Ludmilka [50]3 years ago
8 0

Answer:

A.Species

B.Genus

C.Phylum

D.Kingdom

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Which hormone’s secretion is controlled by a positive feedback mechanism?.
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oxytocin

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Most of the lymph returns to the venous circulation by way of the
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the lymph vessels bring lymph fluid toward the heart and above it to the subclavian veins, which enable lymph fluid to re-enter the circulatory system through the vena cava.

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which is not true about the alternation of generations? the life cycle of a plant alternates between diploid and haploid phases.
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A gametophyte is a multicellular haploid that is formed from the spore. It is true that the life cycle alternates from haploid to diploid.
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Which of the following statements is true?
maksim [4K]

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All organisms require sulfur as a macro-nutrient. (Ans. E)

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Sulfur is necessary for all living things. It is taken up in the form of sulfate from the soil and sea water by the plants, and algae.

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In human body sulfur playing some essential role such as amino acid production which is converting into proteins and producing enzymes. Sulfur is important for insulin production, insulin allow the cells to use glucose as energy. Sulfur is found in most important antioxidant known as glutathione, which helping in the inhibition of oxidation of the other molecules and preventing from cell damage. Collagen provide skin strength and structure, sulfur is important for collagen synthesis as well.

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Which main-sequence on the Hertzsprung-Russell diagram are the least massive?
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Depending on its initial mass, every star goes through specific evolutionary stages dictated by its internal structure and how it produces energy. Each of these stages corresponds to a change in the temperature and luminosity of the star, which can be seen to move to different regions on the HR diagram as it evolves. This reveals the true power of the HR diagram – astronomers can know a star’s internal structure and evolutionary stage simply by determining its position in the diagram.

The Hertzsprung-Russell diagram the various stages of stellar evolution. By far the most prominent feature is the main sequence (grey), which runs from the upper left (hot, luminous stars) to the bottom right (cool, faint stars) of the diagram. The giant branch and supergiant stars lie above the main sequence, and white dwarfs are found below it.

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