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lesya [120]
3 years ago
15

Which shows the need for gene banks for agricultural crops? Plagues wiped out the entire crop in a large region. Global warming

caused reduced rainfall in an agricultural area. Volcanic eruptions formed new land. Soil erosion increased due to poor farming practices.
Biology
2 answers:
klio [65]3 years ago
8 0
Plagues wiped out the entire crop in a large region 
ASHA 777 [7]3 years ago
3 0

Answer: Plagues wiped out the entire crop in a large region.

Explanation:

Gene banks are the places which preserves the genetic materials of the living beings so that they can control the limiting population of the organisms, and they can be used for the purpose of experimentation.

The gene banks preserves the seeds, tissues, pollen, genes in them at controlled conditions.

According to the given situation, the gene bank will be useful in cases when the complete crop has been destroyed by fire, natural calamity or insect or microbial infestation. The remaining unaffected materials can be used for the growth and harvest of the new crops.

Hence, Plagues wiped out the entire crop in a large region. can be a correct option.

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What do we mean when we refer to a cell as differentiated?
Otrada [13]

Answer:

We mean that a cell changes to another type of cell.

Explanation:

<em>Stem cells </em>are a type of cell that has the potential to become a specialized cell, this change or differentiation, is possible thanks to the activation or deactivation of certain genes that promote (or inhibit) the expression of certain proteins that origins different types of cells (fmuscle cells, osteocytes, neurons). This differentiation happens when the cells receive cues internally ( through signals or contact between a group of cells and another or through transcription factors) or externally.

Then, a differentiated cell is a cell that had gone under the previously described process.

I hope this information is useful to you!

6 0
3 years ago
Why are viruses considered nonliving but bacteria are considered living? Give to reasons.
Andreyy89
Viruses aren't made up of living cells, like plants and animals are, they either consist of DNA or RNA surrounded by coating of protein. Versus also like the properties of living things. They have no energy, they do not produce waste, and they do not respond to stimuli. they do not reproduce independently but must rely on invading living cells and feeding off a them.

Therefore, there are many reasons my viruses are considered non living but the biggest reason is because they cannot survive on their on and have to feed and get their nutrients off of living things

And bacteria is considered living because it can do all these things that viruses cannot do.
8 0
3 years ago
Which organizm is most specialized?
ELEN [110]
The most specialized organism is the GRIZZLY BEAR. Specialized animals refers to those animals, which have different types of cells in their body which carry out different types of functions.
4 0
3 years ago
Read 2 more answers
Summarize how urine forms in the kidney.
nordsb [41]
The kidneys filter any unwanted wastes from the body.<span> The glomerular filtration, reabsorption, and secretion take out any wanted fluids from your body when you drink water.</span>
4 0
3 years ago
Natural selection could not occur without?
11111nata11111 [884]
I believe it’s variation
3 0
3 years ago
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