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Setler79 [48]
3 years ago
15

How is the structure of a unicellular organism different than the structure of a multicellular organisms? How does this affect f

unction
Biology
1 answer:
zmey [24]3 years ago
5 0
Since cells have specific functions and capabilities, unicellular organisms have less capabilities and more or less have one job. Functions are reduced with unicellular. Humans, for example who are multicellular, have functions for cell regeneration, clotting, nerves, etc and therefore have a longer list of functions that unicellular organisms like bacteria
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Based on fossil evidence about how long ago did the first single celled life form appear on earth
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The first single celled life form appeared on earth roughly about 3.5 billion years ago

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15,000 years ago, when humans were foragers and hunters, what characterized daily life? What were humans eating, and where and h
lisabon 2012 [21]

1. 15,000 years ago the humans were still hunter-gatherers. Their daily lives were largely based around one thing, finding enough food to survive through  the next few days. This means that they had to constantly be on the move, be it for hunting animals, or for finding rich places with eatable plants. There was lot of walking, running, and scouting involved every day. It was a lifestyle of ''living through the day''.

2. During this period of time, the diet of the humans was consisted of animals they hunted, fish, and plants. There were differences from region to region though, so the people that lived along the coastline based their diet on marine animals, the ones that were living in colder regions were eating mostly meat, while the ones living in forested areas or grasslands had combination of plants and meat. The lifestyle in general was moving from place to place, be it on a daily basis, weakly, or seasonally, depending on the conditions. Some of these people were making small shelters, some of which were retractable and they were moving them with them, while others were using caves.

3. There are many difference between the forager peoples and the agriculturalists. The foragers were nomads, thus they were moving very often from one place to another, while the agriculturalists were having a settled lifestyle. The nomads very often had bad injuries which were often fatal, usually because of hunting, while the agriculturalists had much better health because they had much safer lifestyle. The foragers were not able to produce their own food, but instead they were relying on mother nature, while the agriculturalists were producing their own food and had the food problem solved.

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Which of the following shows the correct ratio of carbon, hydrogen, and oxygen in a carbohydrate?
Alexxandr [17]

Answer:

A. C6H12O6

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7 0
2 years ago
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What the difference between the one with the red dot and the one with the solid red. Explain the whole thing in general actually
77julia77 [94]
The red dot is filled. The other red dot is filled because
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3 years ago
If a true-breeding blue-flowered plant was crossed with a true-breeding white-flowered plant, what phenotypic ratio would we obs
Westkost [7]

Answer:

B. 100 percent white

Explanation:

According to Mendel's law of dominance, the dominant allele of a gene masks the expression of the recessive allele in a heterozygous state. Therefore, when two pure breeding plants that differ with respect to one genetic trait are crossed, the progeny expresses only the dominant phenotype. Here, one allele should be completely dominant over the other. The allele for the white flowers is completely dominant over the allele for the blue flowers.

Let' assume that the allele "W" imparts white color to the flowers while the allele "w" gives blue color. When a true-breeding blue-flowered plant (ww) is crossed with a true-breeding white-flowered plant (WW), the progeny would be heterozygous for the dominant allele "W" and would exhibit "white color of flowers" (the dominant trait).

WW (white-flowered plant) x ww (blue-flowered plant) = Ww (white-flowered plant)

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2 years ago
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