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andrew-mc [135]
2 years ago
13

What is an adaptation?

Biology
1 answer:
blsea [12.9K]2 years ago
5 0

Explanation:

A genetic trait that helps an organism be more successful in its environment

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What can be concluded from the graph? A) The decay in the population is not linear. B) The diseased population increases with ti
puteri [66]

Answer:

it is (A)

Explanation:

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3 years ago
Which of the following statements best describes the nucleus of a cell?
andrezito [222]

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D

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The nucleus is what stores a lot of "data" so to speak or genetic material due to being the command post of the cell.

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Why there is more water in P than Q?
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3 years ago
In the case of a tick feeding off a deer, the deer would be considered _____ and the tick would be considered _________.
forsale [732]

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3 0
3 years ago
A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
Lemur [1.5K]

Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

Explanation:

The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

The weight of one mol of NaCl is 58,44 grams. For 3,5 grams of NaCl, we get 3,5/58,44 = 0,060 mol of NaCl which is 0,060x1000 = 60 mmol/100ml. According to this and the information given in the question about the secretion of the salt glands', if the average sodium concentration is 600mmol/L, we have 60*10 = 600mmol/L so it would take 100 mililiters of water to excrete.

If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

Osmoregulation is the process of balancing the amount of water and salt between the body of the organism and its surrounding environment. For salt glands to be advantageous for osmoregulation, they need to be in a hypoosmotic environment.

I hope this answer helps.

3 0
3 years ago
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