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PolarNik [594]
3 years ago
12

Explain how an oil spill devastates marine life when animals get covered by the toxic sludge.

Biology
1 answer:
vekshin13 years ago
6 0
Oil sticks to birds preventing them from flying. Whales and dolphins and other creatures that use blow holes can get oil into their respiratory system, making it difficult to breathe. Animals can also ingest the oil. This can be fatal and/or deadly in the short or long term.
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Why is it more common for birds to have nests with a few eggs rather than just one or a lot?
Vlad1618 [11]

Explanation:

The large size of a egg makes it difficult for the female to retain more than a single one egg at a time - carrying eggs would make flying harder and require more energy. (Bird eggs vary in size from the tiny 0.2 gramme eggs of hummingbirds to the enormous 9 kilogram eggs of the extinct elephant bird.)

Just as an aircraft cannot fly if it is overweight, all female birds must dispense with the fertile egg as soon as it is formed. And because the egg is such a protein-rich high-nuitrition prize to all sorts of predators, birds must find a secure place to hatch their eggs. Although birds' eggs appear to be fragile, they are in fact extremely robust. The oval shape applies the same rules of engineering as an arched bridge; the convex surface can withstand considerable pressure without breaking. This is essential if the egg is not to crack under the weight of the sitting bird. It takes 26 pounds of pressure to break a swan's egg and 120 pounds to smash the egg of an ostrich.

8 0
2 years ago
Read 2 more answers
What letters do we use to represent the base pairs
sasho [114]

Cytosine (C) - both;

Thymine (T) – DNA;

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These are the letters that we use to represent the nitrogenous base pairs that make up and thus define a nucleotide
4 0
3 years ago
Which statement is accurate about natural selection?(1 point) A. Natural selection cannot inactivate genes. B. Natural selection
Leto [7]

Answer:

B

Explanation:

4 0
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You are planning an extended camping trip into an area where there is no electricity. The region is warm and sunny in the daytim
eimsori [14]
Heat water using the sun during the day, and use it during the cold night.

Use a solar panel to charge batteries during the day, and use the power at night.
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3 years ago
If the inner lining of the air sacs is neither thin nor highly vascularized, then what can be inferred about the ai
MArishka [77]
If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
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3 years ago
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