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alexdok [17]
3 years ago
8

What statement about natural selection is true

Biology
2 answers:
Andru [333]3 years ago
7 0

What are the options?

Softa [21]3 years ago
5 0

Which of the following statements about natural selection is true? A. Natural selection favors individuals that reproduce more than others. B. Natural selection occurs in opposition to evolution. C. Natural selection can be used by farmers to generate organisms with desirable traits.


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Dmitrij [34]
 answer is polygenic inheritance
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Why can polyploidy individuals lead to speciation fairly quickly?
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Answer:

In species with polyploid, there are more chromosomal sets than in diploid one. Becouse there are more chromosomal structures available,  events like mutation, recombination, DNA lose, are more probable to occur.

As the generations pass, the accumulation of these changes tend polyploid to speciation.

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3 years ago
 Joletta thinks she knows how to cure cancer. A family member of hers had cancer, but he did not die. Joletta noticed that he at
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Definitely C) she did not have enough information to prove her theory to be right.
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3 years ago
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After intravenous administration of 5.1 millicuries Tc-99m DTPA, flow imaging of the kidneys was performed for approximately 30
Gnoma [55]

Answer:

78701

Explanation:

The nuclear imaging examination is done to accompany the blood as it transported to the kidneys in order to reveal whatsoever blockage and to assess the level of which the kidneys perform filtration. The case study does not pinpoint to the capability of the kidneys tubes and ducts.

In the CPT® Index view for Nuclear Medicine/Diagnostic/Vascular Flow leads us to code range 78701-78709. Since mainly vascular flow was undertaken, we can infer that code 78701 is the right code to report.

7 0
3 years ago
PLEASE HELP EMERGENCY!! IF YOU ARE NOT 100% SURE ABOUT YOUR ANSWER DO NOT ANSWER THEN!! PLEASE!!
marysya [2.9K]

Answer:

Lung disease is any problem in the lungs that prevents the lungs from working properly. There are three main types of lung disease:

Airway diseases -- These diseases affect the tubes (airways) that carry oxygen and other gases into and out of the lungs. They usually cause a narrowing or blockage of the airways. Airway diseases include asthma, COPD and bronchiectasis. People with airway diseases often say they feel as if they're "trying to breathe out through a straw."

Lung tissue diseases -- These diseases affect the structure of the lung tissue. Scarring or inflammation of the tissue makes the lungs unable to expand fully (restrictive lung disease). This makes it hard for the lungs to take in oxygen and release carbon dioxide. People with this type of lung disorder often say they feel as if they are "wearing a too-tight sweater or vest." As a result, they can't breathe deeply. Pulmonary fibrosis and sarcoidosis are examples of lung tissue disease.

Lung circulation diseases -- These diseases affect the blood vessels in the lungs. They are caused by clotting, scarring, or inflammation of the blood vessels. They affect the ability of the lungs to take up oxygen and release carbon dioxide. These diseases may also affect heart function. An example of a lung circulation disease is pulmonary hypertension. People with these conditions often feel very short of breath when they exert themselves.

Explanation:

Put it your own words cause this is kinda advance for 7th

5 0
3 years ago
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