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Ganezh [65]
3 years ago
15

Please help! Only 3 questions! No explanations needed.

Biology
1 answer:
taurus [48]3 years ago
6 0
I’m not sure about 1 but 2 is D and 3 is A
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Which four systems describe fuctions of the circulatory stystems.?
Lerok [7]

The four systems that describe the functions of the circulatory systems are:

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  • This system removes carbon dioxide from organs & delivers it to the lungs.
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  • This system's organs pass oxygen into the bloodstream.
<h3 />

What is the circulatory system?

The circulatory system can be referred to as a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of humans or other vertebrates.

The circulatory system includes the cardiovascular system, also known as the vascular system which consists of the heart and blood vessels.

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What must happen before a chemical reaction can begin?
Free_Kalibri [48]
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scoundrel [369]

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The maternal genotype determines the phenotype of the offspring. Maternal effects often occur because the mother supplies a particular mRNA or protein to the oocyte, hence the maternal genome determines whether the molecule is functional.

Explanation:

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A food web (<em>or</em><em> </em><em>foo</em><em>d</em><em> </em><em>cycle</em>) is the natural interconnection of food chains and a graphical representation(<em>usually</em><em> </em><em>a</em><em>n</em><em> </em><em>image</em>) of what-eats-what in an ecological community.Another name for food web is consumer- resource system.

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