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Serhud [2]
3 years ago
14

What is natural selection? Write a definition of this in your own words.

Biology
1 answer:
frozen [14]3 years ago
8 0
Natural selection is a process where living things that are better adapted to the environment around them survive longer and produce more off springs .
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Select all that apply. Which of the following are part of the Protista kingdom? protozoa bacteria plants fungi algae
madreJ [45]

The correct answer is Protozoa, plant and fungi.

The kingdom Protista consits of several organism that includes Protozoa, plants and fungi. Protists are the first eukaryotes that came on earth, it includes multicellular organisms and unicellular organisms as well.

  • It includes plant like protists called as autotrophs.

Example: Red, brown and green algae.

  • It also includes fungi like protists called as decomposers.

example: slime molds and water molds.

  • It also includes protozoans like Zooflagellates and cilliates.

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3 years ago
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In the ocean near Antarctica, small crustaceans called krill eat algae and other phytoplankton. Krill are eaten by
loris [4]

Answer:A

Explanation:

i think it’s a bc blue whales and penguins and herring eats krill so the arrows for them would point to krill and well algae can’t eat u so

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3 years ago
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How do introduced species become established in a new ecosystem
Rina8888 [55]
Introduced to a habitat similar to their own introduced to a habitat different than their own outcompete native species generally have no native predators generally have native predators often have high reproductive rates often have low reproductive rates can tolerate a range of conditions
7 0
3 years ago
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Choose the CORRECT statement concerning the cell membrane lipid molecules
VashaNatasha [74]

Answer:

The correct statement concerning the cell membrane lipid molecules is that "energy is not expended during diffusion" (Option d)

Explanation:

Biological membranes are formed by two lipidic layers arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, and their hydrophobic tails against each other. Membranes are fluid, which means that molecules that form it have the capability to move through it.  

Lipids can easily change places with other neighbor lipids by <u>lateral diffusion</u> in the same layer. This is passive diffusion, which means that it does not need energy to happen.

Lipids can also diffuse transversally to the other layer, but this kind of movement is not as easy as lateral diffusion.

There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.

Through this lipidic bilayer, there is also a passive transport of some particles from one side of the cell to the other which happens because of concentration differences.

6 0
3 years ago
Amylase increases the rate at which starch is broken down into glucose. What kind of molecule is amylase? A) lipid B) enzyme Eli
alisha [4.7K]
Carbonhydrate is a amylase molecule.
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3 years ago
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