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tatiyna
3 years ago
9

Why is a cell membrane important in the defense of a cell

Biology
1 answer:
Gnoma [55]3 years ago
4 0
Because the cell membrane controls what enters and leaves the cell. It also gives the cell support and protection and helps maintain homeostasis. Hope it helps you
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Which of the following is not a step in the process of natural selection
Paraphin [41]

Answer:

A step that is not part of natural selection is people select which individuals breed and which ones do not.

Explanation:

Natural selection is a process in which favorable or unfavorable environmental conditions determine the evolution of species, producing differences in their genotype over a long period of time.

As its name indicates, it is a natural selection, in which no intervention by people is contemplated, so that <u>people cannot determine which individuals breed</u>.

Natural selection implies that the characteristics on which the environment influences are inheritable, that there is genetic variability in the population and that the variability of these characteristics implies the ease of reproduction and survival capacity.

<em>The other options do form part of natural selection, since they are based on the three premises of this process: </em>

  • <em>Inheritable characteristics. </em>
  • <em>Genetic variability. </em>
  • <em>The variability of characteristics influences reproduction and survival.</em>
4 0
4 years ago
Which is a reason why meiosis is important to sexual reproduction? Meiosis allows a zygote to grow in cell number. Meiosis doubl
Ray Of Light [21]

Importancia de La Meiosis en los seres vivos permite formar células especializadas las gametas o células sexuales( óvulo y espermatozoides) aptas para la fecundación, en los Metazoos superiores y en las Metafitas superiores, las gametas con sus pronúcleos haploides intervienen en la reproducción sexual.

5 0
3 years ago
Read 2 more answers
Which main type of sedimentary rock forms from dead plant and animal material?
Kryger [21]

Answer:

limestone, chert, dolostone, gypsum, halite (rock salt), diatomite, and chalk.

hope this helps!

Explanation:

7 0
3 years ago
Which of the following is a result of rotation of earth ? A. Air temperature b.winds blow in to the beach off the water during t
marshall27 [118]

Answer:A.

Explanation:

If you think about it the other answers dont make sense, and air temperature is kinda related to the rotation of the earth.

5 0
3 years ago
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Lina20 [59]

An effective treatment for social anxiety disorder might include psychotherapy and an antidepressant.

Social anxiety disorder is a condition when a patient feels fear of social situations, such as parties, dating or public speaking. As a consequence, patient might feel depressed and have low self-esteem, so the medications are required.  


7 0
3 years ago
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