Answer:
The student is wrong, just because the analogous structures of any two organism may have the same structure or even have the some relation between there way of operation or functions.
Explanation:
- <u>Analogous Structures:</u>
As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.
As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.
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Answer:Ecosystem Energy
Nearly all of the energy that drives ecosystems ultimately comes from the sun. Solar energy, which is an abiotic factor, by the way, enters the ecosystem through the process of photosynthesis
The energy input, or energy that enters the ecosystem, is measured in Joules or calories. Accordingly, the energy flow is also called calorific flow.
Answer:
A) The positive linear relationship between body age and ammonia concentration only holds for early stages of decomposition.
Explanation:
The concentration of ammonia in the vitreous humor in the eyes of the cadavers has provided some considerable help in forence reports and other areas when it is necessary to know what was the postmortem interval of that body. However, this aid is only effective for a limited time because the positive linear relationship between body age and ammonia concentration is valid only for early stages of decomposition. After time has elapsed, this concentration is difficult to measure and the determination of postmortem time is impossible to determine.
Sometimes, DNA damages because of the chemicals , radiations and mutagens.Nucleotide excision repair is a DNA repair mechanism. There are three possible pathways to repair the DNA damage.
1) Nuclear excision repair
2)Base excision repair
3)DNA mismatch repair
the above given characteristics of the DNA makes nucleotide excision repair mechanism possible.
Answer:
cerebellum
Explanation:
The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.
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