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pishuonlain [190]
3 years ago
13

3.What is the difference between a dominant and a recessive trait?

Biology
1 answer:
Andreyy893 years ago
6 0

Answer:

Dominant traits are always expressed when the connected allele is dominant, even if only one copy of the dominant trait exists. Recessive traits are expressed only if both the connected alleles are recessive.

Explanation:

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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
Every body cell contains what complete code
meriva

every cell in our body contains Dna

3 0
3 years ago
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Which statement best differentiates between the terms supine and prone?
Rom4ik [11]

Answer:

A. Supine is lying on the back; prone is lying with the back facing up

Have a good day!

3 0
3 years ago
Answer For Brainlest, thanks.
Nonamiya [84]

Answer:

Oil

Explanation:

Oil is the most common fossil fuel internationally, seeing as it is in the top spot for usefulness.  

3 0
3 years ago
Before constructing a hypothesis, a scientists must first
pychu [463]

Answer: A. Make A Guess

Explanation: A hypothesis is a statement you test, first you have to come up with an idea or theory to test, which would then become your hypothesis.

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3 years ago
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