Answer:
The correct answer will be option A.
Explanation:
Evolution is a process which changes the characteristics of a species over several generations which changes species over time.
Natural selection is one of the mechanism by which species become adapted to their environment and evolve over time.
Natural selection takes place at the genetic level as the genetic mutations beneficial to survival are passed on to next generations through reproduction which result in generation of new organisms.This causes species to change and diverge over time.
For e.g- Before industrial revolution white peppered moth dominated compared to dark brown moths as the trees were white and the brown moths were not able to hide themselves from predators but after industrial revolution due to darkening of trees white moths were not able to hide while brown were able to and dominated.
thus option A is correct.
The correct answer is A
Answer:
Moths make use of several self defending techniques to avoid predators.
Explanation:
Most people often confuse moth with butterflies, but moth are a different member of Lepidoptera, an flying insect. There are many ways through which moth protect themselves from predators.
Since moths are usually active during the night time, so they often hides in the day time from predators. Another technique that moths use is camouflage, where they can confuse the predators by blending into the surrounding. And when a predator us unable to see a moth, its life is saved. Apart from this, moths are even clever enough to trick bats by their strong detection power.
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Garments cannot be made out of coconut fibre because they are very rough and are unable to be sew as it also the break very easily.
The coco fiber or coir is a fiber extracted from the husk of a coconut and is often used to make floor or door mats, mattresses and brushes. It is hard that is only suitable in making upholstery padding and sacking.
Sexual reproduction allows for species to evolve or adapt to a greater range or conditions.
Sexual reproduction brings two sets of genes to the table to be passed to the offspring, since there are two parents. Asexual reproduction only has one parent so the offspring will only get one option of genes. This means that asexual reproduction does NOT allow adaptation.
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sexual reproduction
Explanation:
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Answer:
Artificial selection can be described as the method by which organisms with the desired characteristics are crossed so that offsprings with better qualities can be produced.
Although artificial selection is an effective way to produce organisms with better traits, yet this technique has some consequences of its own. Growing plants and animals through this method will lead to lesser genetic variety. In the future id any disaster such as a disease infects the organisms then the entire population will be eradicated as there will be little or no genetic diversity at all.