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kotegsom [21]
3 years ago
14

When one opens a door, which part of the brain is responsible for sending signals to the arm muscles, causing one to open the do

or?
Biology
1 answer:
omeli [17]3 years ago
4 0
Answer M1 motor cortex
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Understanding types of symbiosis Interspecific interactions can be categorized by whether each species in the interaction benefi
sladkih [1.3K]

Answer:

a. parasitism:

The parasite benefits by harming the host e.g hookworms and humans

b. commensalism

In this association, one species benefits while the other is unaffected (its not harm and dies not benefit) e.g. epiphytic orchids and trees

c. mutualism

Here, both species benefit as seen in rumen bacteria and cows

Explanation:

Parasitism = +/- relationship

The predator benefits by harming the host. E.g. hookworms and humans. The hookworm (parasite) eat man blood while man (host) loses blood to it.

Commensalism = +/0 relationship

One specie(s) benefits while the other specie(s) neither benefits nor is harmed. E.g. epiphytic orchids live on tree branches or tree trunks as it's habitat or shelter while the trees neither benefits nor is harmed

Mutualism = +/+ relationship

Both organisms benefit in this relationship. E.g. rumen microbes aids grass digestion in cows, while the microbes benefit as it obtain steady food or nutrient from the cow

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3 years ago
What do density-independent and density-dependent mean? (please answer a bit simply lol)
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Density-dependent regulation can be affected by factors that affect birth and death rates such as competition and predation.

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What is the purpose of the Krebs cycle?
ehidna [41]

The Krebs cycle is the second step in the breakdown of glucose takes place when oxygen is present.<span> This step completes the breakdown of glucose to carbon dioxide and water, and produces much more ATP than glycolysis.</span>

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3 years ago
Which point is flawed as written above?
Murrr4er [49]

You didn't attach the problem. Without it, I can't help you. Sorry.

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3 years ago
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How does an activated receptor transfer information into the cell?.
Bogdan [553]

Answer:

by altering the ligand-binding site of the receptor - by increased translation of the receptor - by decreased phosphorylation of the receptor - through a conformational change of the receptor...

Explanation:

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