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vesna_86 [32]
3 years ago
10

Animals and plants cannot directly use nitrogen in our atmosphere and "fix" it so other organisms can benefit. These bacteria ar

e called_____-_____ bacteria
Biology
1 answer:
uysha [10]3 years ago
8 0
Nitrogen fixing bacteria lol
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A news article discussing the evolution of domestic dogs from wolves included this statement: "On its way from pack-hunting carn
gayaneshka [121]

Answer:

The correct option is <em>B) Some wolves may have had variants in their digestion that allowed them to eat wheat, rice, barley, corn, and potatoes and so were able to survive with humans.</em>

Explanation:

Organism of a population might have genetic variations in them due to many reasons. The species of a population which are better adapted to live in a particular area are able to survive and produce more offsprings. As a result, that particular area increases in that genetic variant.

In the above scenario, some of the wolves had variants in their digestion which made them better adapted to live with the humans as they could eat wheat, rice etc. The wolves which did not have variants in their digestion couldn't survive in the human areas.

4 0
3 years ago
Pros and cons of swarm of bees
UkoKoshka [18]
They can sting you if they feel harmed or they can give you honey
3 0
3 years ago
Which nitrogenous base percentage is complementary to the 22% guanine found in a double-stranded DNA molecule?A. 44% adenineB. 2
Natasha_Volkova [10]
22% cytosine, because each pair has an equal amount of complementary base percentages. For example, if you are given 20% Adenine, then there has to be 20% Thymine as well, and you can also calculate cytosine and guanine by looking at the remaining percentage (80%). Because 80% is left over and each complementary base pair has equal amounts of base percentages, Cytosine and Guanine would each have 40%.
4 0
4 years ago
How does strip cropping slow down rainfall from removing soil?
alex41 [277]

The growing of a cultivated crop (as corn) in strips alternating with strips of a sod-forming crop (as hay) arranged to follow an approximate contour of the land and minimize erosion.

Strip cropping helps to stop soil erosion by creating natural dams for water, helping to preserve the strength of the soil. Certain layers of plants will absorb minerals and water from the soil more effectively than others. When water reaches the weaker soil that lacks the minerals needed to make it stronger, it normally washes it away. When strips of soil are strong enough to slow down water from moving through them, the weaker soil can't wash away like it normally would. Because of this, farmland stays fertile much longer.

The term strip cropping also refers to a method of dry farming sometimes used in areas including parts of the Great Plains of the United States and the Prairies of Canada. To accumulate moisture in these dry areas, cropland is periodically left fallow. Typically, the fallow and planted areas are organized in parallel long, narrow strips that are oriented normal to the prevailing winds, in order to minimize the erosion of soil from the bare fields. Strip farming helps to prevent mass erosion by having the roots of crops hold on to the soil to prevent it from being washed away.

Hope this helps  Its because its really strong soil

3 0
3 years ago
Use the diagram to identify the parts of the nervous
amm1812

answer: idk

Explanation:sorry

8 0
4 years ago
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