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Ira Lisetskai [31]
3 years ago
9

How is energy lost from each trophic level?

Biology
1 answer:
Tanzania [10]3 years ago
8 0

Answer:

90% of energy is lost as heat at each trophic level. Therefore, only 10% passes to the next level.

Explanation:

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What is the mass of all the worker bees in the hive together? Write your answer in scientific notation.
Lisa [10]

Answer:

4 × 10^0 kg or 4×E0 kg.

Explanation:

Before delving into or solving the Calculation, let us check one or two things about worker bees.

WHAT IS A WORKER BEE?.

Bees generally are social insects living in an organized community and they consist of three castes which include; the drone bees, worker bees, and the queen bees.

The queen bees are the female bees while the drone bees are the male bees.

The WORKER BEES are female bees too, but the only difference between them and the queen bees is that they (worker bees) do not reproduce like the queen bees. They are saddled with the responsibility of looking for food and maintaining the hive temperature.

Now to the question, the mass of a bee= 1 × 10^-4 kg. And there are 4 × 10^4 bees in hive. Therefore, the mass of all the worker bees in the hive together = (1 × 10^-4) × (4×10^4).

==> 4 × 10^0 kg, or 4E0 kg.

8 0
3 years ago
The materials of the crust have less mass than materials deeper in the earth.<br><br> True<br> False
mezya [45]

Answer:

True

Explanation:

The crust makes up less than 1% of earths mass.

5 0
2 years ago
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astraxan [27]

Answer:

c. Both A and B are correct

Explanation:

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12. In our somatic (body) cells, we have ___________ chromosomes, but in our sex cells (sperm &amp; eggs), we have half the numb
Sliva [168]

Answer:

12. In our somatic (body) cells, we have 2N chromosomes, but in our sex cells (sperm & eggs), we have half the number of chromosomes, which is N chromosomes

Explanation:

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Can someone please help me with this virtual lab. Grade 11 biology<br> Thank you!
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Part A done, you will find the answers below.

<u>Hope this helps!</u>

7 0
2 years ago
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