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mixer [17]
3 years ago
7

Is are blood blue or red?

Biology
1 answer:
Mnenie [13.5K]3 years ago
4 0
Our blood is blue it just comes out red when it hits the air or oxygen.
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Brut [27]
Oceans, Seas, and bodies of fresh water 
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Explanation:

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An action potential is caused by an influx of which of these ions into the cell
elena55 [62]
Hey there Sleepope9174,

An action potential is caused by an influx of which of these ions into the cell?

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Sodium

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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

7 0
3 years ago
Who argued that cities brought a more impersonal transitory way of life to people?
slava [35]
The correct answer would be Louis Wirth 
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3 years ago
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