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zubka84 [21]
3 years ago
13

Choose the best description of the relationship between evolution and natural selection.

Biology
2 answers:
g100num [7]3 years ago
6 0
Out of the chooses given, the best description between evolution and natural selection is that natural selection leads to evolution. The correct answer is A. 
Neporo4naja [7]3 years ago
6 0
Your answer would be A, because natural selection can lead to evolution
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Since the human genome was first published in 2001, scientists have quickly improved genetic sequencing, generating genetic and
ddd [48]

Answer:

2. Databases are created using genetic sequence data collected at crime scenes.

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Genetic sequence is also used for solving the criminal cases by using any biological material that is collected during investigation at the crime scene. The crime department has forensic lab where these biological materials are tested. Sometime participants also donate their DNA for specific research and experiments in order to increase the knowledge about genetics so both have no social or ethical issues in the United States.

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Which of these is an enviormental effect
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3 0
3 years ago
Read 2 more answers
Celery stalks that are immersed in fresh water for several hours become stiff. Similar stalks left in a 0.15 M salt solution bec
mixer [17]

Answer:

From this it can be deduced that the fresh water is hypotonic and the salt solution is hypertonic to the cells of the celery stalks.

Explanation:

When submerged in water, the celery stalks become stiff and hard, this shows that water moves within the stalk, thus, water is hypotonic in comparison to the celery stalk. Therefore, water moves from the region of higher concentration to the region of lower concentration.  

When the same celery stalk is administered into the 0.15 M solution it turns soft, which shows that water from the celery stalk moves out. Thus, the salt solution is hypertonic in comparison to the celery stalk. Therefore, freshwater is hypertonic and the solution of salt is hypertonic to the celery stalk cells.  

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2 years ago
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