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Sphinxa [80]
3 years ago
13

Name two models used to show the transfer of energy in an ecosystem

Biology
1 answer:
aleksandr82 [10.1K]3 years ago
3 0

Answer:

Flow of Energy can be explained by means of two models namely: single channel energy model and Y-shaped energy model.

Hope this helps :)

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The peripheral nervous system is involved in _____.
drek231 [11]

The peripheral nervous system is involved in both <u>voluntary and involuntary actions.</u>

Explanation:

The peripheral nervous system (PNS) is the neural system that resides outside the central nervous system (CNS). This contains nerves which in turn connect with the organs of the body like the sensory organs, glands, blood vessels, muscles etc with the central nervous system (CNS).

The PNS is divided into somatic and autonomic nervous systems.

The somatic nervous system contains sensory and motor nerve fibers which send sensory information and controls motor functions respectively. The voluntary movements of skin, skeletal muscles, bones, and joints are controlled by somatic PNS.

The autonomic nervous system composed of sympathetic, parasympathetic and enteric nervous systems controls the involuntary actions of smooth muscles of the internal visceral organs.  

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What is the name of the tiny blood vessels that surround the alveoli
weqwewe [10]

capillaries is the answer

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Humans need oxygen to be able to perform cellular respiration and gain ATP energy for our cells. What would happen to the oxygen
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Oxygen would slowly deplete into carbon dioxide as there is no photosynthesis to create more. Earth would not be able to support human life later on.
4 0
1 year ago
Can some wone help pls!
astraxan [27]
I think it’s the third option, I’m really sorry if that’s incorrect!!! You might wanna wait for someone else to answer :)
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Maria is experimenting with bean seeds to see if different fertilizers will make seeds grow taller than seeds grown without fert
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She will need A. Bean seed that gets no fertilizer.

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