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Keith_Richards [23]
3 years ago
14

What is a vestigial structure? A. A structure that has no use in the organism B. A structure with similar shape but a different

use C. A structure that is only in index fossils D. A structure that contains isotopes !!!!apex!!!!!
Biology
1 answer:
krek1111 [17]3 years ago
4 0

Answer: A, a structure that has no use in the organism

Explanation:

A vestigial structure is an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species.

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Explain briefly how these features contribute to the efficiency of photosynthesis?​
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here's your answer

Explanation:

the estimated maximum energy efficiency of photosynthesis is the energy stored per mole of oxygen evolved, 117/450, or 26 percent.

Consequently, plants can at best absorb only about 34 percent of the incident sunlight. The actual percentage of solar energy stored by plants is much less than the maximum energy efficiency of photosynthesis. An agricultural crop in which the biomass (total dry weight) stores as much as 1 percent of total solar energy received on an annual areawide basis is exceptional, although a few cases of higher yields (perhaps as much as 3.5 percent in sugarcane) have been reported. There are several reasons for this difference between the predicted maximum efficiency of photosynthesis and the actual energy stored in biomass. First, more than half of the incident sunlight is composed of wavelengths too long to be absorbed, and some of the remainder is reflected or lost to the leaves

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Taking multiple antibiotics at the same time contributes to antibiotic resistance. Thus, the correct option is B.

<h3>What is Antibiotic resistance?</h3>

Antibiotic resistance may be defined as a process or strategy of microorganisms that generate the capability to conquer the drugs developed to annihilate them.

Overprescription of multiple antibiotics increases the ability of bacteria or other microorganisms to survive in harsh little conditions. Still, slowly they evolve themselves and resist the situation of the high effect of antibiotic resistance drugs.

Therefore, it is well described above.

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