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Ket [755]
3 years ago
5

Why is there a delay between the ecg pattern and the resulting beat of the heart?

Biology
1 answer:
Rama09 [41]3 years ago
4 0

<span>There would be a delay between the ECG pattern and the resulting beat of the heart because it takes time for the pulse to travel from the systole (ventricular contraction) to the radial artery. Pulse cannot be felt in the finger. It can be felt with a pulse oxymeter.</span>

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Climax communities occur before communities that are undergoing primary succession
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Answer:

Answer is C. Climax community is an ecological community that has reached the final stage of ecological succession.

Explanation:

At this point bio-diversity is maximum and no further changes take place. It is the most stable period.

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A scientist concludes that genetic inheritance of a mutated (changed) gene, such as a gene change that creates different-colored
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If there is a change in the gene, this can further create a new generation of organisms with this change. With certain changes, it enables organisms to survive in other conditions.

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Mitosis produces A. four cells, each with
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2 years ago
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kirill115 [55]

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True

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There are two basic ideas that are key to Darwin's Theory of Evolution. The first is that present day species are descendants of
Svetradugi [14.3K]

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This is   survival of the fittest by natural selection , this is the second conclusion  of Darwin theory.

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