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solong [7]
3 years ago
15

List two characteristics of aquatic animals.​

Biology
1 answer:
VladimirAG [237]3 years ago
3 0
1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft
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Which term describes an area where sugars are used or stored?
Margarita [4]
<span>Sink 

A sink is an area where sugars are used or stored; typically, these are the roots and fruits of a plant.</span>
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Which marine pairings typically exhibits mutualism?
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Explain what happens to the ecosystem and environment of an area if the suns raid iron is reduced
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3 years ago
The fertilization of ovules from Plant Q by pollen from Plant R results in the production of seeds. What percent of the genes in
blagie [28]

Answer:

The correct answer is - option A. 0%

Explanation:

The zygote formation or fertilization in flowering plants occurs by the fusion of pollen of one plant with the ovum of another plant of the same species normally. This process includes the exchange of an equal amount of the genetic contribution from both plants.

The egg cell of the mother is responsible for the mitochondria and chloroplast of the progeny so the percentage of chloroplast genes provided via Plant R is 0% as ovum and egg cell comes from only plant Q.

percentage of chloroplast gene inherited from R plant is a)0%

3 0
3 years ago
Which of the following is a correct statement about the endocrine system?
Gnesinka [82]
<h3><u>Answer;</u></h3>

The adrenal glands sit on top of the kidneys and release adrenaline, which affects heart rate.

<h3><u>Explanation;</u></h3>
  • Adrenal glands are located at the top of each kidney. They produce hormones that help the body control blood sugar, burn protein and fat, react to stressors like a major illness or injury, and regulate blood pressure.
  • The Adrenal glands are made up of two regions; the adrenal cortex and the adrenal medulla. <em><u>The adrenal medulla produces hormones adrenaline also epinephrine and noradrenaline also norepinephrine. </u></em>
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5 0
3 years ago
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