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JulijaS [17]
3 years ago
5

Exchange of oxygen and carbon dioxide in the lungs uses which mode of cellular transport?

Biology
1 answer:
Mumz [18]3 years ago
6 0

Answer:

D: Simple Diffusion

Explanation:

Diffusion is a transport driven by a concentration gradient.  Gas molecules move from a place of high concentration to an area of low concentration. Knowing when blood is low in concentration and high in carbon dioxide it goes under gas exchange with air into the lungs.

Hope this helped! :)

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Why do scientists use comparisons between fossils and existing species to classify organisms?
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Similarities among organisms lead scientists to relate organisms

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Fossils found in sedimentary rock can be compared to one another and to living organisms to compare similarities and differences.

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In a typical long bone, spongy bone is found in the
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epiphysis

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7 0
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Helpp plzzz ASAP!!!!
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i believe it is A

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What evidence do paleobotanists look for that indicates the movement of plants from water to land?
attashe74 [19]

The evidence that paleobotanists look for that indicates the movement of plants from water to land is the possession of waxy cuticle to decrease evaporation from leaves.

<h3>What are some adaptations of plants on land compared to water?</h3>

Plants possess various adaptive features which enables them to survive on land or in water.

Plants that are found in water are known as aquatic plants. They possess features which enable them to get rid of excess water as well as to stay afloat on water. For example, their leaves are waxy to enable them remain afloat.

Plants found on land are terrestrial plants and possess features that enable them survive on land. They possess features which prevent excessive water loss such as waxy cuticle.

Therefore, the evidence that paleobotanists look for that indicates the movement of plants from water to land is the possession of waxy cuticle to decrease evaporation from leaves.

In conclusion, plants show adaptations as they moved from water to land.

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7 0
2 years ago
NEED HELP ANSWER QUICKLY :)
Usimov [2.4K]

Answer: It’s definitely not D. I’m thinking A or C

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Because survival of the fittest mean that the ones that aren’t the best will die basically. So that why it’s not D

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