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Artemon [7]
3 years ago
9

Which of the following statements regarding mutations is true? Mutations -

Biology
1 answer:
alexandr402 [8]3 years ago
4 0

Answer:

a

Explanation:

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Which statement correctly describes how nitrogen in the soil returns to the atmosphere?
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Living organisms such as plants and animals contains nitrogen in the form of the amino acids and proteins. When they die, the nitrogen in the form of ammonium is decomposed by microorganisms. It is then converted into nitrites and then to nitrates by nitrifying bacteria. The denitrifying bacteria then converts nitrates into nitrogen.
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What is the inner layer of cells that forms the gut and respiratory system in animals?
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The correct answer is: Endoderm

en·do·derm

the innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.

blas·tu·la

an animal embryo at the early stage of development when it is a hollow ball of cells.

mes·o·derm

the middle layer of an embryo in early development, between the endoderm and ectoderm.

ec·to·derm

the outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis and nerve tissue.

Hope this helped you! :3

8 0
3 years ago
12. How much current is drawn by a lamp that has a resistance of 150 ohms 1 point
BARSIC [14]

Answer:

according to ohms law v= ir so i =50/150, =0.33

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What are the three parts that make up Earth's mantle?
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Answer:

Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.

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