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Talja [164]
3 years ago
9

According to research presented in the text, one of the most important environmental stimuli for premature babies is:

Biology
1 answer:
kupik [55]3 years ago
7 0
In my opinion is biological mother
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What types of microorganisms are considered a biological hazard
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Explanation:

Biological hazards include microorganisms such as bacteria, viruses, yeasts, molds and parasites. Some of these are pathogens or may produce toxins. A pathogenic microorganism causes disease and can vary in the degree of severity

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The cells in this part of a plant form long, vertical tubes. What is the most
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D. The tubes allow water and nutrients to be transported throughout

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Explanation:

option D supports the description of the cells. The long , vertical tubes transport water and nutrients and are most likely xylem and phloem vessels.

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option C is also wrong, because water loss is controlled by the stomata in the leaves and they are not long tubes.

option B could possibly be right but option D is better suited.  

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3 years ago
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the answer is genetic drifts.

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How does cell division differ in plant cells, animal cells, and bacterial cells?
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What is dna and what is it made from​
morpeh [17]

Answer:

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

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