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Sedbober [7]
2 years ago
14

What does it mean that sponges are sessile?

Biology
1 answer:
tatuchka [14]2 years ago
3 0

Answer:

The answer is C

Explanation:

I go to K12

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According to Darwin's theory of evolution, how do new species evolve?
Vikki [24]

Answer:

According to Darwin's theory of evolution, new species evolved as a result of natural selection.

Explanation:

  • Darwin proposed that speciation could readily occur through the prolonged action of Natural selection.
  • Natural selection allows the 'survival of the fittest' i.e. a more fit organism will have a better chance of survival than the less fit one.
  • The result of Natural selection could be positive,negative or balancing.
  • Evolutionary process in which the genetic changes confer a higher fitness to increase frequency of the organism over time in population is called positive selection.
  • Evolutionary process in which genetic changes decreases the organism's fitness resulting in its disappearance from the population is called Negative selection.
  • It may happen that a mutation benefits hetero-zygotes but not homo-zygotes and alleles maintain a intermediate frequency in population.This evolutionary process is called balancing selection.
8 0
3 years ago
How does the brain primarily interpet the strength of a stimulas in the nervous system
Valentin [98]

Answer:

The brain primarily interpret the strength of a stimulus in the nervous system based on the frequency of the action potential. This answer has been confirmed as correct and helpful.

ФωФ  ∪ω∪

5 0
3 years ago
Does anyone know any of these answers??!
BigorU [14]

Answer:

free ponts how kind of you

Explanation:

4 0
2 years ago
Birth defects due to radiation are a concern also. why is a fetus especially at risk?​
Lilit [14]
A fetus is especially at risk because they are under developed and easily susceptible to sicknesses or radiation
7 0
3 years ago
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What causes ocean acidification?
zlopas [31]
The ocean acidification is generally caused by the vast amounts of carbon dioxide that humans release in the air gettting absorbed into the ground, causing the PH of the water to rise.
Hopefully this helps!
5 0
3 years ago
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