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mart [117]
2 years ago
15

Hurry up please, due in 20 minutes, and please no links.

Biology
2 answers:
Sonja [21]2 years ago
8 0
Polar bear live on the ice caps and snow so the sea ice melting is basically the same as deforestation, they’re losing their homes and since this is also affecting the fish in the ocean they’re losing their source of food and etc. hope this helps :)
murzikaleks [220]2 years ago
4 0

Answer:

Every winter, Arctic sea ice grows around the pole, its frozen tendrils threading along northern coasts. Right now sea ice has just passed its peak coverage for the year, and will begin to shrink with the coming of spring. It’s a crucial time for polar bears, whose food supply is inextricably linked to sea ice.

And in recent decades, sea ice has been shrinking faster than ever. According to the National Snow and Ice Data Center, 2019 has the seventh-lowest sea ice cover in the Arctic since they began collecting satellite data 40 years ago.

This year “doesn't break any records, but it's the trend that matters,” says University of Alberta polar bear scientist Andrew Derocher. “The downward trend in Arctic sea ice across all months is the concern,” he says, and “now we wait to see what spring conditions bring.” (Read more about global warming’s link to polar bears.)

A cold spring allows ice to linger, giving polar bears easier access to one of their favorite foods: seals. A warm spring cuts short the availability of their food super-highway....

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Malic acid and I need points
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what is the difference in the amount of genetic information found in a gamete compared to other cells in the body?
natita [175]

Explanation:

Body cells make up the body of any multicellular organism. A body cell contains a complete number of chromosomes and is called a diploid cell while a gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.

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5 0
3 years ago
A section of our DNA that codes for a specific trait is called a....
Licemer1 [7]

Answer:

Gene, a part of DNA that determines the trait of individual characteristics

Explanation:

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3 years ago
Which process moves an ion across a cell membrane against the concentration gradient?
Aleonysh [2.5K]

Answer:

Active Transport

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Hope this helps

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5 0
2 years ago
Biologists sometimes say that “natural selection depends on the specific environment where a species lives.” What does this stat
denis23 [38]

Answer: Natural selection is one of the forces of evolution and the enviroment where the species lives is the selection agent. For example, suppose a mosquitoes population in a environment free from insecticides, in this environment there's a high frequency of non-resistant mosquitoes because the environment is not  exerting any pressure on the resistence trait. But when the environment changes and we use a insecticide upon the mosquitoes population, the populations changes because the non-resistant ones die but those resistant survive and beggin to reproduce more effectively. That's natural selection, differences in survival and reproduction between individuals with different phenotypes (traits) and this differences depend of environmental changes.

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