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just olya [345]
4 years ago
8

What is the percent concentration of oil in the first, second, and third trophic levels in our food chain?

Biology
1 answer:
sergij07 [2.7K]4 years ago
3 0

Answers may vary, but the overall trend should show an increase in the percent oil in the mixture at these following percentage:

1st: 1%

2nd: 7%

3rd: 32%

It is noted that the concentration of oil increases with each trophic level.


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Drew observed in an experiment that algae in a nearby lake could be found at six meters below the water's surface on a clear day
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Answer:

The depth at which Drew found the algae

Explanation:

The dependent variable was the depth at which he found the algae, because that is what he measured on each day.

The independent variable was the sky conditions, since that changed from clear to cloudy, which impacted the dependent variable/the depth of the algae.

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How would you distinguish pseudostratified columnar epithelium from all other tissues?.
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Psuedo  functions mostly absorption and filteration processes.

<h3>What is the advantage of psuedostratified epithelium? </h3>

The lungs are shielded from these irritants by the existence of pseudostratified columnar epithelium in the upper respiratory tract, which is made up of the nose, trachea, and bronchi. To capture particles and stop them from moving farther down the respiratory passages, the epithelium's goblet cells release mucus.

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1 year ago
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Isolation can be due to behavioral, geographical, or temporal barriers. <span>Speciation can take place in two general ways. A single species may change over time into a new form that is different enough to be considered a new species. This process is known as anagenesis. More commonly, a species may become split into two groups that no longer share the same gene pool. This process is known as cladogenesis. There are several ways in which anagenesis and cladogenesis may take place. In all cases, reproductive isolation occurs. Hope this helps! </span>
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Nutka1998 [239]

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the fact that rod functioning predominates during dark adaptation, therefore poor acuity

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