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kumpel [21]
3 years ago
14

Which of the following is a part of the cell theory?

Biology
1 answer:
Mariulka [41]3 years ago
6 0
1: D
2: B
3: B
4: C
5: D
8: A
9: D
10: A
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Which statement best describes how artificial selection can decrease a population's biodiversity?
IrinaVladis [17]

The statement 'artificial selection decreases the rate of natural selection and change within a population' describes how artificial selection can decrease a population's biodiversity. It is a human-driven process.

<h3>Artificial selection</h3>

Artificial selection refers to the human-driven process by which different organisms (either plants or animals) are selected in order to combine desired features in offspring.

In artificial selection, organisms are mated (crossed) in order to select the progeny having desired phenotypic traits.

This process (artificial selection) leads to a decrease in natural genetic variation (biodiversity), which may have negative consequences in the successive rounds of selection.

Learn more about artificial selection here:

brainly.com/question/26144922

6 0
3 years ago
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Nutrition experts recommend that most people eat less than 2,300 milligrams of sodium a day for good heart health. What percenta
Tamiku [17]

Answer:

you didn't add the whole question... :/

Explanation:

sorry...

6 0
3 years ago
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What is difference between sexual reproduction and asexual reproduction?
lisabon 2012 [21]
Sexual reproduction requires both a female and a male partner.
Asexual reproduction requires just one parent basically.
HOPE THIS HELPS YOU! ^_^
4 0
3 years ago
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"Explain how and why de-oxygenated blood is pumped to the lungs and is then returned to the heart were the blood now rich with o
Jlenok [28]
<h2><u>Heart and lungs:</u></h2>

The upper chamber of the heart is called atrium and lower chamber of the heart is called ventricles.

The blood circulation in the heart is basically under the functioning of three blood vessels namely:

<h3><u>Arteries: </u></h3>
  • They start with the aorta, the huge vein leaving the heart.
  • Veins divert oxygen-rich blood from the heart to the majority of the body's tissues.
  • They branch a few times, decreasing and littler as they convey blood more remote from the heart.
<h3><u>Capillaries: </u></h3>
  • These are little; flimsy blood vessels that associate the arteries and the veins.
  • Their dainty dividers permit oxygen, supplements, carbon dioxide, and other waste items to go to and from our organ's cells.
<h3><u>Veins: </u></h3>
  • These are the blood vessels that return blood to the heart; this blood needs (oxygen-poor) and is wealthy in waste items that are to be discharged or expelled from the body.
  • Veins become bigger and bigger as they draw nearer to the heart.
  • The unrivaled vena cava is the huge vein that brings blood from the head and arms to the heart, and the second rate vena cava brings blood from the mid-region and legs into the heart.
6 0
3 years ago
A 154-lb adult man performs a moderate level of physical activity and regularly consumes 2700 Calories a day. State whether the
Arte-miy333 [17]

Answer:

The correct answer would be - remain the same.

Explanation:

In the given table showing the average daily calories requirement according to the weight of the adult men. Which is as follows:

weight                daily intake

132                        2250

154                        2450

176                        2650

198                        2850

220                       3050

242                       3250

In this, the highlight weight and required calories should be taken by the man who does not perform any physical exercise but according to the question a man with 154 lb perform a moderate exercise, and according to the CDC a 154 lb men can burn anywhere between 140 and 295 calories in 30 minutes by moderate exercise for an hour.

Thus, the total calories he takes: 2700

burn by exercise: 295

should take: 2450

then = 2700 - (2450+295)

= 50 calories over the limit that will have negligible effect on the weight.

6 0
3 years ago
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