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Sedbober [7]
2 years ago
13

In exchange of useful chemicals between organisms and their abiotic environment is an example of what

Biology
1 answer:
Alborosie2 years ago
8 0

Answer:

Carbon Cycle

Explanation:

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HELP PLS
jek_recluse [69]

Sorry, but I don't want to do your essay. I wish you luck tho :>

3 0
3 years ago
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The essence of meiosis is that a. specialized cell division reduces the chromosome number by half b. gametes are formed that are
marishachu [46]

Answer:

e. a and d are correct

Explanation:

Meiosis produces 4 daughter cells that are haploid. Haploid means they have half of the chromosomes of the parent cell.

5 0
3 years ago
Why are pugs so ugly? Despite sharing 99% of their DNA with a gray wolf, they still look nothing like one except having some can
Delvig [45]

Answer:

Pugs appear to be ugly due to them being bred deformed by design, harboring a condition called brachycephaly.

Explanation:

4 0
2 years ago
Thale cress is a plant that is genetically engineered with genes that break down toxic materials. Which type of organism is desc
MArishka [77]
The correct answer for the given question above would be option B. Thale cress <span>is a plant that is genetically engineered with genes that break down toxic materials, so this would be a transgenic type of organism. By definition, transgenic organisms undergone genetic engineering wherein genes of a particular specie is modified or transplanted into another. Hope this helps.</span>
5 0
3 years ago
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The semilunar valves of the heart open at the onset of the ejection period. Approximately what percentage of the stroke volume i
mr Goodwill [35]

The percentage of the stroke volume is ejected during the first quarter of systole will be approximately 60% to 65%

<u>Explanation:</u>

The time interval between the atria contraction and the relaxation of ventricles are called as a Cardiac cycle. Systole denotes the heart contraction during the blood pumping. Diastole refers to the heart relaxation when the blood is filled in the heart chambers. The total blood is not fully pumped by the ventricles.

Instead they will pump only a proportion of blood in each of the cardiac cycle.  The ejection fraction refers to the proportion of the intraventricular volume that is received as a output in circulation process. A human with normal heart functioning can have approximately 60-65%. This is known to be stroke volume. The blood volume that is ejected is strove volume.

7 0
3 years ago
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