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KATRIN_1 [288]
3 years ago
14

In animal cells, which structure is thought to produce the spindle fibers that help separate the sister chromatids during anapha

se
Biology
1 answer:
soldi70 [24.7K]3 years ago
4 0

The Centrioles produce the spindle fibers.

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3.
AveGali [126]

Answer:

a. Approximately 1,003 weasels, 3,345 mice and 16,729 wheat plants per one hawk are in the ecosystem

Explanation:

The percentage of the weasel population eaten by a hawk = 30%

The percentage of the mouse population eaten by a weasel = 30%

The percentage of the wheat plants population eaten by a mice = 20%

a. One hawk needs 330 kJ of energy per day, which gives 330 kJ × 365 = 120,450 kJ per year

Let 'x' represent the number of weasels to support one hawk, we have;

0.3 × x = 120,450 kJ/year/(400 kJ) = 301.125

x = 301.125/0.3 = 1,003.75

The number of weasels required to support one hawk per year ≈ 1,003 weasels

The total weasels ≈ 1,003

ii) The number of mice needed, y = x/0.3 = 1,003.75/0.3 = 3,345.8\overline 3

The total mice, y ≈ 3,345 mice

iii) The number of wheat flower needed, z = y/0.2

∴ The number of wheat flower needed, z = 3,345.8\overline 3/0.2 ≈ 16,729.1\overline 6

The total wheat plants ≈ 16,729.

7 0
3 years ago
Which of the following was Matthew Maury's greatest accomplishment?
notsponge [240]

Answer:

b

Explanation:

5 0
3 years ago
20 Points thank you! For the real answer people
xenn [34]

Answer:

Wave 1 and Wave 2 have the same amplitude.

Explanation:

6 0
2 years ago
Basalt is a rock that cooled quickly after lava erupted do a volcano what is the best description of its texture
timofeeve [1]
Because the lava cools quickly, there is no time to create big crystals of Basalt, which means that only small ones that are not visible to the naked eye exist, which means that it has an <span>aphanitic texture.</span>
4 0
3 years ago
Read 2 more answers
How many chemicals are in tobacco smoke?
tangare [24]

Answer:

More than 7000 chemicals are present in tobacco smoke.

Explanation:

In these 7000 chemicals, 250 are harmful to the human body such as carbonmonoxide, ammonia and hydrogen cyanide etc. There are some chemicals that are found in tobacco smoke which causes cancer disease in human. About 69 chemicals out of 250 are present in tobacco smoke that causes cancer disease. So its consumption is dangerous for health.

3 0
3 years ago
Read 2 more answers
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