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Annette [7]
3 years ago
8

What is meant by natural variation in living things? *

Biology
1 answer:
Aleks04 [339]3 years ago
6 0

Answer:

Different individuals within a species have variation because they may express

different alleles for the same traits

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Why is the sky blue?
avanturin [10]

Answer:

Because the ocean reflects off of the sky so technically the sky is white but sense the sun causes the ocean to reflect onto the sky, the sky appears to be blue.

Explanation:

8 0
3 years ago
Read 2 more answers
Consider the following three populations of birds. Assume HW equilibrium. With these birds red coloring is recessive, while brow
bixtya [17]

Answer:

Red allele frequency will be highest in population II

Population III can undergo bottleneck effect

The frequency of the brown allele will  least likely be altered in the population I

Explanation:

Population I -

Total population - 670

Brown birds - 603

Red birds - 67

Population II

Total population - 100

Brown birds - 90

Red birds - 10

Population III

Total population - 30

Brown birds - 27

Red birds - 3

Frequency of red birds in population I

\frac{67}{670} = 0.1

Frequency of red birds in population II

\frac{10}{90} = 0.11

Frequency of red birds in population III

\frac{3}{30} = 0.1

Red allele frequency will be highest in population II and it will be equal to \sqrt{0.11} = 0.33 as compared to 0.31 in case of population I and III

Population III can undergo bottleneck effect because of smaller population size

The frequency of the brown allele will  least likely be altered in the population that has highest  brown individual , i.e population I

4 0
4 years ago
The relative effectiveness of different wavelength of light in photosynthesis is demonstrated by:
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Answer:

D. An action spectrum

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3 years ago
The survival of organisms best suited to a particular environment is known as
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It is known as structurlism

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4 years ago
Question 21<br> Neurons of the cerebral cortex never dip into the medulla.<br> O True<br> O False
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Answer:

False

Explanation:

The cerebral cortex refers to the outer layer of the brain. This layer is formed by a thin film of nervous tissue that surrounds the surface of the cerebral hemispheres, with primates having a much more developed cerebral cortex than other animals.  

the cerebral cortex is a thin layer of neurons and neuronal connections which is embedded in the neocortex(the neuronal cells of the cerebral cortex which form in the deep layer), it is not homogeneous, since it is made up of six layers of cells, each with specific and specific functions.

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3 years ago
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