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Alla [95]
3 years ago
7

1.Two new nuclear membranes form during_____.

Biology
1 answer:
Charra [1.4K]3 years ago
8 0

Answer:

1. Two new nuclear membranes form during telophase.

2. The sister chromatids separate and move toward opposite centrioles during anaphase.

Explanation:

See answer above! :)

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Osmoregulators have _____ internal solute concentrations compared to their external environment.
Sphinxa [80]
Pretty sure different is the answer 
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3 years ago
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Scientific investigations often lead to the formulation of new scientific questions. charle’s darwin reviewed his observations a
Veronika [31]

Can evolution create new species over time through natural selection?

is the question he would be prompted to ask based on his voyage.

<h3>Who was Charles Darwin ?</h3>
  • English scientist Charles Darwin gained notoriety for his theory of natural selection, which postulated that organisms in an ecosystem adapt and evolve in order to maintain their survival.
  • Because of this, Darwin was inspired to consider whether natural selection can eventually result in the emergence of new species after studying the selective breeding of pigeons.
  • Darwin came to the following conclusion based on these straightforward observations:
  • In a population, some individuals would have hereditary qualities that assist them survive and reproduce (given the conditions of the environment, such as the predators and food sources present).

Learn more about Darwin theory here:

brainly.com/question/21616794

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3 0
2 years ago
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A biology student caught and tagged 50 trout in a small lake. After two weeks, the student caught another 40 trout and found tha
Vlad1618 [11]

The best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

<h3>Mark and recapture method</h3>

The formula for calculating the estimated number of individuals in the population is given as:

  • N = (M*C) / R

where:

  • N = estimated Number of individuals in the population
  • M = number of individuals captured and Marked
  • C = total number Captured the second time (with and without a mark)
  • R= number of individuals Recaptured (those with a mark)

Calculating the estimate trout population:

N = (50*40)/4

N = 50

Therefore, the best estimate of the population of trout in the lake is 500 individuals.

The low number of tagged trout recaptured may be because the tags slipped off.

This possibility can be reduced if the student used tags that does not slip off easily.

Learn more about mark and recapture method at: brainly.com/question/10646744

6 0
2 years ago
A person who is good at multitasking can effectively focus one’s attention on driving while talking on the cell phone. Please se
JulsSmile [24]
Im 99.9% sure the answers false 
4 0
3 years ago
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We have talked about the central and peripheral nervous systems. We know that the peripheral nervous system relays signals to an
JulsSmile [24]

Answer:

  1. The peripheral nervous system has - Somatic nervous system and Autonomic nervous system.
  2. These systems control our body action by this controls all the types of muscles.

Explanation:

  • Somatic nervous system have -  Cranial nerves and  Spinal nerves
  • Autonomic nervous system have -   Sympathetic and  Parasympathetic  system.
  • The somatic nervous system controls our voluntary and involuntary actions by cranial and spinal nerves and controls all three types of muscles such as cardiac, smooth and skeletal.
  • The autonomic nervous system controls the involuntary actions of our internal organs.
  • The sympathetic and parasympathetic system relates to all types of muscle.
  • The sympathetic and parasympathetic system accelerates and decelerates the heart beat respectively, by this controls the cardiac muscle.
  • The sympathetic and parasympathetic system stimulates and relaxes our internal organs respectively, by this controls the smooth muscles.
  • The sympathetic and parasympathetic system prepares our body as a whole for a action and also relaxes our whole body respectively, by this controls the skeletal muscles.

5 0
3 years ago
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