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miv72 [106K]
3 years ago
8

In an ecosystem, every food chain begins with organisms that can create organic molecules from inorganic molecules; most frequen

tly, these organisms are __________.
Biology
1 answer:
Alecsey [184]3 years ago
8 0
If I am not wrong, I believe the answer is Producers. The reason as to why I say that producers is the answer is because in every food chain, there needs to be a base. That base is what provides the starting energy that will later on move up in the food chain.
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A cross between a plant with red flowers (R = dominant) and a plant with white flowers (r = recessive) yielded 47 plants with re
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Answer:

A. The results are close to a 1:1 ratio of plants with red flowers to plants with white flowers. Therefore, the genotypes of the parents are Rr and rr.

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I took the test and got it right.

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The four major functions of hormones are?
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What structure of the sarcomere shortens during muscle contraction?
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The Z lines and H- zone shortens during the muscle contraction.

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The I - band, H- zones are became shortens as they are thin than the A- band. It is anisotropic band having thick myosin filaments. They are not flexible and remain in its constant shape during the muscle contraction.

After the muscle contraction, the A- band and the H- zone comes to their original shape. In other words, the sarcomere shortens and comes back during muscle contraction, and relaxation.

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