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Sauron [17]
3 years ago
5

If you live on a river delta or coastline, you may not be able to eat the local shellfish because of high levels of toxins prese

nt in the water. Why?
Biology
1 answer:
ch4aika [34]3 years ago
3 0

Answer: Shell fish is used as a biological indicator of pollution.

Explanation:

The clams, mussels and shellfishes are some of the organism which can be used as a biological indicator of the pollution.

This is so because they have the ability to filter and concentrate the pollutants such as pesticides, and other pollutants in water.

These organisms can be toxic to people as it includes pollutants. This can be a early warning that the nearby water is getting highly polluted.

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Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.

Explanation:

Hope this helps

3 0
2 years ago
The dna in linear eukaryotic chromosomes is wrapped around proteins called _____________, which keep the dna from getting tangle
Ray Of Light [21]
The Dna in linear eukaryotic chromosomes is swrapped around protein called histones.
8 0
3 years ago
Plzzzzzzzzzzzzzzzzzzzzzzzzzzz help i only need help with B everything eles i can do my self
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Answer:

I believe that it is the lettuce.

Explanation:

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2 years ago
40. How is the biodiversity of an ecosystem measured?
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3 0
3 years ago
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An enzyme in a cell became dysfunctional because of an alteration. As a result, the DNA strands would not separate to begin the
yanalaym [24]

Answer:

C. Helicases

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