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lisabon 2012 [21]
3 years ago
5

Which statement best illustrates a biotic or an abiotic factor that is often found in a city park?

Biology
2 answers:
zloy xaker [14]3 years ago
7 0
<span>The statement B is correct. Abiotic factors are the non-living factors which include rocks, soil, water, minerals, gases etc. Biotic factors are the living factors like animals, plants, humans etc. Rocks are abiotic factors and they have no life. They are not made up of living cells and do not require food for growth.</span>
aivan3 [116]3 years ago
3 0
<span>The answer is D. The living things in a biological community are called biotic components. Living things incorporate plants, creatures, microscopic organisms, parasites and that's only the tip of the iceberg. The non living parts of an environment are called abiotic elements. In a biological community some abiotic variables are daylight, temperature environmental gasses water and soil.</span>
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Explanation:

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3 years ago
The atrioventricular valves permit blood flow
monitta
<h2><u>Answer:</u></h2>

The correct option is B (in one direction)

<h3><u>Explanation:</u></h3>

The two atrioventricular (AV) valves, the mitral valve (bicuspid valve), and the tricuspid valve, which are between the upper chambers (atria) and the lower chambers (ventricles). The two semilunar (SL) valves, the aortic valve and the aspiratory valve, which are in the conduits leaving the heart.  

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gogolik [260]
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-Dominant- [34]

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A single diseased cell can develop a tumor, because this abnormal cell has the capacity to replicate so fast and, of course, transmit its abnormality to every other cell that it generates.

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Cancer is very dangerous and potentially fatal if not treated fast because it can travel through the bloodstream or the lymphatic system and invade other organs, causing metastasis.

There's a lot of research being done on how to cure cancer, but the disparities in every different type of cancer make finding the solution much harder. Nowadays, depending on the type of cancer and the stage where the cancer is, this condition can be treated with radiotherapy, chemotherapy, or surgery.

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