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muminat
3 years ago
8

All the living and nonliving components of a defined geographical area comprise a(n) __________.

Biology
1 answer:
Charra [1.4K]3 years ago
8 0
The answer is ecosystem :)
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What happens in animal cells when mineral concentration is high and low in solution
slamgirl [31]

Answer:

Diffusion occurs when there is movement of minerals from an area of higher to lower concentration, till equilibrium is obtained.

Whereas Osmosis is the movement of solvents rather then the solute, from a solution of lower to a solution of higher concentration with the help of semipermeable membrane.

Explanation:

Diffusion is the movement of substances from area of higher concentration to an area of lower concentration of minerals, which mainly results in animal cells. Whether solute or solvent, diffusion occurs for both. Diffusion does not requires any semi permeable membrane. Diffusion occur in all state of matter, that solid, liquid and gas, whereas osmosis occurs only in liquid state. Osmosis requires semipermeable membrane and rate of which is related to concentration of solute dissolution in solvent medium. Only movement of solvent medium takes place. Classical example of osmosis is exhibited by cell membranes of animal cells. On the other hand diffusion is the spreading of perfume or fragrances to the external air.

6 0
3 years ago
What is one reason people used to think that nothing could live deep down in the ocean?
tangare [24]
There was no sunlight, in one way or another sunlight is the source of almost all life on the surface of the earth
4 0
3 years ago
Contains only one double bond between carbons.
zlopas [31]

Correct option b) A saturated fatty acid

When only one double bond in the molecules that is also known as monounsaturated fat. If there is more than one double bond that is known as polyunsaturated fat.

Unsaturated fatty acids have one or more than one carbon- carbon band  double bonds. That indicates the maximum possible numbers of hydrogen atoms are bonds to each carbon in the molecule. These carbon  form double bonds with the carbons next to them.

Alkenes contain carbon- carbon double bonds and unsaturated hydrocarbons with the molecular formula is Cn H2n. This is made of chains where some carbon atoms are not fully saturated with hydrogen atoms.

To learn more about polyunsaturated fat here

brainly.com/question/13141983

#SPJ4

7 0
1 year ago
Do annelids have internal or external shell?
n200080 [17]


Annelids have neither an external or an internal shell.  Examples of annelids are

earthworms and leeches. 

6 0
3 years ago
Read 2 more answers
What is the main difference between heterotrophs
aleksley [76]

Answer:

Heterotroph. Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophs cannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition.

Explanation:

Heterotroph. Autotrophs are organisms that can produce their own food from the substances available in their surroundings using light (photosynthesis) or chemical energy (chemosynthesis). Heterotrophs cannot synthesize their own food and rely on other organisms — both plants and animals — for nutrition.

8 0
3 years ago
Read 2 more answers
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