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nevsk [136]
2 years ago
8

Some fish in a murky underground lake have lighter scales than the others. This makes it slightly harder for the lighter fish to

escape detection
by predators but most light-colored fish live long enough to reproduce. A natural event separates the dark-scaled fish from their light
scaled cousins, and as a result a new species of dark-scaled fish emerges
Which statement accurately describes the scenario?
Biology
1 answer:
Ludmilka [50]2 years ago
7 0

Answer:

the fish experienced an evolutionary change because of genetic drift

Explanation:

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What might be the best name for Lewis Howard Latimer
lianna [129]
If he's who I think he is:

A genius! :)

I might be thinking of someone else though!
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3 years ago
Select the true statementabout unmyelinated axons:A. action potentials occur everywhere along the length of the axon, and propag
butalik [34]

Answer:

The correct statement is - option B.

Explanation:

Unmyelinated axons are the axon that lacks the covering of scwann cells that form the myelin sheath which helps in the transfer or transmit the signals faster and more effectively in neurons. It acts as the insulating layer.

In absence of the myelin sheath, the action potential found everywhere along the length of the axon which leads to slow propagation than in myelinated axons.

Thus, the correct answer is - option B.

3 0
3 years ago
Which of the following is a way that new DNA can be introduced to bacteria?
OLEGan [10]

Answer:

B

Explanation:

<em>The correct answer here would be that </em><em>it can be injected by a virus.</em>

Since a virus operates by taking over the genetic system of the host and uses its replication, transcription, and translation to make virions or viral particles through the lytic or lysogenic life cycle. In the process, if the virus is utilized as a vector to carry a foreign DNA, the DNA is introduced into the genome of the bacteria. This is exactly what happens during the process known as transduction.

<em>The correct option is, therefore, </em><em>B.</em>

4 0
3 years ago
Name and describe the key components of the two major divisions of the nervous system.
defon

The Central Nervous System

     -Serves as the control center for the body

The Peripheral Nervous System

     -Sends information to and from the brain and spinal cord

     -Divided into the sensory somatic nervous system and the autonomic nervous<span> <span>system</span></span>

3 0
3 years ago
In science class, Blaine’s teacher puts one glow stick in a cup of hot water and another glow stick in a cup of cold water. She
svetoff [14.1K]
The glow stick that was in the cup of hot water will be brighter once it is bent. The production of more light is evidence that the chemical reaction in the glow stick is happening faster. The reaction happens faster, because increasing the temperature increases the rate of a chemical reaction.
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3 years ago
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