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Oduvanchick [21]
3 years ago
15

What is the main function of a selectively permeable cell membrane?

Biology
1 answer:
BabaBlast [244]3 years ago
5 0
The main purpose is protection. The lipid bilayer protects the cell from viruses and other threats to the cell. It also maintains homeostasis within the cell by monitoring the amount of substances the enter or exit the cell. 
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<span>d. by sending and detecting chemical messages</span>
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3 years ago
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Darwin's ideas espoused in both Origin of Species and The Descent of Man were incompatible with the prevalent scientific racism
Maru [420]

Answer:

The correct answer is "change".

Explanation:

The missing options of this question are:

A. natural selection.

B. immutability.

C. survival of the fittest.

D. change.

The correct answer is option D. "change".

The scientific racism that was prevalent during Charles Darwin books publications was related to the concept of "pure races", and the association of the inheritance of the "superior attributes" related to these races. Darwin's ideas were incompatible to this scientific racism, since Charle Darwin theories support the idea of a constant change among all people attributes, produced by genetics behavior and exposure to environmental factors.

5 0
3 years ago
What is one reason why the classification of protists in one kingdom is difficult?
Aleksandr-060686 [28]

B.  Protists more closely resemble members of other eukaryotic kingdoms than they do other protists.

Explanation:

It is difficult for scientists to classify protists into one kingdom because they closely resemble member of other eukaryotic kingdoms than they do other protists.

The protists have a wide variations among themselves that makes them very difficult to classify.

  • Protists have a wide-range of diversity within them and they flaunt every rule used to classify them.
  • Protists have also shown characteristics of different kingdoms between them.

learn more:

Kingdom of life brainly.com/question/5186929

#learnwithBrainly

7 0
3 years ago
Describe the milankovitch cycle.
Gnoma [55]
Its the  Eccentricity of the earth. (shape of Earth's Orbit around the sun, whether it is more circular or ovular.)
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3 years ago
How do seabirds get caught in fishing nets ?
Liula [17]

Answer:

Mammals are usually caught in nets, but long line fishing catches more than just target species of fish. Sharks, turtles and seabirds are all attracted to the bait on the lines of long line fishing. Seabirds get caught on the lines and drown.

Explanation:

5 0
3 years ago
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