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harkovskaia [24]
3 years ago
8

Biology sheet pls help

Biology
1 answer:
jolli1 [7]3 years ago
5 0
<span>Stents help keep coronary arteries open and reduce the chance of a <span>heart attack.</span></span><span><span>The stent holds the artery open and allows blood to flow more freely.</span> </span>
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What Contains two cotyledons within a seed?
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It would be dicodicotyledonous or a DICOT for short.
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Complete the following sentence.
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time

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A group of parasites called myxozoans have traditionally been considered simple multicellular protists. However, because these o
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Answer:

A group of parasites called myxozoans have traditionally been considered simple multicellular protists. However, because these organisms possess stinging cells, some scientists consider them to be animals in the phylum that is named for such cells, the <u>cnidarians</u>.

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Cnidarians are animals with radial symmetry, that is, their bodies can be divided, by different planes, into equal parts. It includes hydras, jellyfish, anemones and marine corals. Its body is a kind of sac with an opening (the mouth) surrounded by a circle of tentacles. Some have a dominant jellyfish phase, others polyp, or both. They present defensive nematocysts with stinging action.

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Answer:

They are like each other

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Your skin covers your body, protecting it from abrasion, water loss, and infection and secreting conditioning substances. The epidermis of a plant serves similar functions. Usually a single layer of closely-packed cells, epidermal tissue covers leaves and young stems and roots of vascular plants. Most epidermal cells secrete waxy substances which form a cuticle, or waterproof covering, over the aerial surfaces of the plant, such as the stems and leaves. The cuticle also resists viral, bacterial, and fungal invasion.

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