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Westkost [7]
3 years ago
15

HELP PLEASE

Biology
1 answer:
Lesechka [4]3 years ago
4 0
D because to help preserve environment everyone has to work together
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Select the correct answer.
NemiM [27]

Answer:

i dont know exactly what characteristic it would be

Explanation:

the variation of the beak shape was because the islands had diffrences to them. so on some of the islands the nuts would be bigger or smaller. The birds had to adapt to this so their beaks changed when you looked at the diffrent birds on the diffrent islands. The finches would have big beaks on one island because the nuts were bigger and they need food, but on another island the nuts were smaller so the finches on that island would have a smaller and more narrow beak. so bassiaclly the diffrences were because the birds adapted over time so they could use their beaks to properly eat.

6 0
3 years ago
The ovaries are small organs that produce egg cells in females. Removal of
nlexa [21]

Answer:

B

Explanation:

if you were a female and had this done to you, you would then understand.

3 0
3 years ago
In what ways does a compound differ from its component elements?
Harlamova29_29 [7]

Answer:

The physical and chemical properties of a compound differ from its component elements.

Explanation:

6 0
3 years ago
Opossums are solitary animals that usually meet in nature only to mate. What is their probable distribution pattern?
Goryan [66]

Random distribution is the probable distribution pattern of opossums.

Explanation:

The opossums are the member of low density population. They are sparsely distributed because of the low number. There are troubles for them to find a mate.

Their habitat makes them solitary as they have flexible dietary habits. they are terrestrial animals living in burrows and are nocturnal.

They have random distribution pattern. The opossums are distributed in the population as random. The mates in opossums do not have choices of mates and the environment conditions in which they live are stagnant.(having no social life). Random interaction is seen in <em>species which do not have any social  bonding</em> between the species of the animals or plants.

7 0
3 years ago
The cell membranes of Antarctic ice fish might have which of the following adaptations? a. a high percentage of unsaturated fatt
zubka84 [21]

Answer:

c. a high percentage of very long chain saturated fatty acids

Explanation:

Saturated fatty acids do not have double bonds (they are saturated with hydrogens), so their tails are relatively straight. Unsaturated fatty acids, on the other hand, contain one or more double bonds, which often produces an elbow or bend. (You can see an example of an unsaturated bent tail in the phospholipid structure diagram that appears at the beginning of this article.) Saturated and unsaturated phospholipid fatty acid tails behave differently when the temperature drops:

- At colder temperatures, the straight tails of saturated fatty acids can be tightly bound, producing a dense and quite rigid membrane.

- Phospholipids with unsaturated fatty acid tails cannot bind so closely due to the bent structure of their tails. For this reason, an unsaturated phospholipid membrane remains fluid at lower temperatures than a saturated phospholipid membrane.

Most cell membranes contain a mixture of phospholipids, some with two saturated (straight) tails and others with a saturated tail and an unsaturated (folded) tail. <u>Many organisms — fish, for example — can adapt physiologically to cold environments by changing the proportion of unsaturated fatty acids in their membranes, that is, increasing the proportion of saturated long-chain fatty acids.</u>

In addition to phospholipids, animals have an additional component in their membrane that helps them maintain fluidity. Cholesterol, another type of lipid that is embedded between the membrane phospholipids, helps decrease the effects of temperature on fluidity.

8 0
3 years ago
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