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Tasya [4]
3 years ago
9

Smoking two packs of cigarettes a day for twenty years reduces one's lifespan by __________.

Biology
1 answer:
Verizon [17]3 years ago
7 0
Smoking two packs of cigarettes a day for twenty years reduces one's life span by EIGHT YEARS.
Cigarette smoking has serious consequences on the health of the smokers and it has been reported that for every cigarette a man smokes his life span is reduced by 11 minutes, thus, a cartoon of cigarette a day is equivalent to a day and a half [36 hours] loss in life span.
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Nematodes and arthropods both .
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The correct option is (C) Grow in conjunction with shedding of their exoskeleton.

The number of species in the superphylum Ecdysozoa is staggering. This is due to the presence of two of the most varied animal phyla, the Phylum Nematoda (which includes roundworms) and the Phylum Arthropoda (the arthropods).

<h3>What do nematodes and arthropods have in common?</h3>
  • The tough external covering of Ecdysozoans, known as the cuticle, is their most obvious identifying characteristic. These animals are shielded from predators, water loss, and other elements of their environment by the cuticle, which also acts as a robust yet flexible exoskeleton.
  • Every member of this superphylum undergoes periodic molting, or cuticle shedding, as they develop. They produce a fresh cuticle after molting that will protect them until their subsequent growth phase.
  • The process of molting and cuticle replacement, known as ecdysis, is how the superphylum earned its name.

Learn more about the Phylum Arthropoda with the help of the given link:

brainly.com/question/14184371

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<span>Explanation:- A solute is the thing being dissolved into the solvent. While the solvent is what when the solute is being dissolved in. Together, they make a solution. </span>
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