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Anni [7]
3 years ago
7

Help I’ll mark u brainless

Biology
1 answer:
marishachu [46]3 years ago
8 0

Answer:

The answer is A

Explanation:

It is A because rock, water, and sand are all abiotic , is is NOT c because algae is a biotic factor

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All of the systems that are aroused by the _____________ are relaxed by the ________________. autonomic nervous system; sympathe
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All of the systems that are aroused by the <span>sympathetic nervous system</span> are relaxed by the parasympathetic nervous system. 
<span>autonomic nervous system (ANS) is a part of the central nervous system that controls all parts that the human cannot have a control on (which are done automatically) like heart rate and breath
ANS is divided in two opposite systems: sympathetic and parasympathetic:
</span>Parasympathetic nervous system: caracterized by the tag "<span>rest and digest" it decreases the heart rate, blood pressure, and breath. It increases the gastrointestinal motricity, letting the organism resting (this happen after a meal).
</span>Sympathetic nervous system: caracterized by the tag "fight or flight" it increases the heart rate, blood pressure, and breath. It decreases the gastrointestinal motricity, letting the organism focus on its environment (this happen when we are in danger).
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Period between two periods of mitosis
Sergio [31]

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The nuclear division that forms haploid cells, which is called meiosis, is related to mitosis. As you have learned, mitosis is the part of a cell reproduction cycle that results in identical daughter nuclei that are also genetically identical to the original parent nucleus.

Explanation:

The nuclear division that forms haploid cells, which is called meiosis, is related to mitosis. As you have learned, mitosis is the part of a cell reproduction cycle that results in identical daughter nuclei that are also genetically identical to the original parent nucleus.

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B

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TRUE

Explanation:

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