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morpeh [17]
3 years ago
7

Watching your fish tank, you see many similarly sized fish species represented. You notice the members of one species spending m

ore time near the top of the tank, while another closely related species spends more time on the bottom of the tank. This is an example of...
Biology
1 answer:
bixtya [17]3 years ago
5 0

Answer:

The correct answer is - Resource partitioning.

Explanation:

Resource Partitioning is the method of differentiating in which there is differentiating in the resource and the source of nutrition so that there is no or less competition among the closely related species.

In this case, one of the species of the same size fishes spends more time on the surface of the tank, and the other spends on the bottom of the tank. This shows the example of Resource partitioning to avoid competition.

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Explain how mutations in the photoreceptor genes result in different vision defects.
Artyom0805 [142]

Answer:

The human eye is the prime organ of the body, which associates with the photons of light and allows one to see various things. The unique cells found in retina, which does activity of seeing are cones and rods cells. Rods help to see in dim light vision, while on the other hand, cone cells are unique in recognizing different colors.  

These cells comprise photoreceptor proteins that help in trapping photons at particular wavelength. Mutation in the gene encrypting for these proteins results in permanent or temporary vision issues. The extremity of defects relies upon the degree to which mutation takes place.  

The mutation in rod cells photoreceptor proteins leads to night blindness and retinitis pigmentosa. Retinitis pigmentosa refers to an inherited disorder that takes place because of early loss of rod cell, which destructs retina. On the other hand, night blindness does not mean complete blindness night, however, inadequate tendency to see in low light.  

Identically, the mutation in the cone cell also results in vision issues, known as red color blindness and tritanopia. Tritanopia refers to a kind of color blindness, which originates because of insensitivity of blue receiving protein gene towards blue light. On the other hand, red color blindness refers to insensitivity of red receiving cone cells in captivating long-wavelength photons.  

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3 years ago
Help Plz! Will give brainliest and for a lot of POINTS!
Andru [333]

Answer:

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Explanation:

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4 0
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The most common form of producers found on earth
Zigmanuir [339]
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(iii) Why was the concentration of blood sugar slowly falling during the first hour? ​
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Answer:

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8 0
2 years ago
For four o'clock flowers, flower color is a case of incomplete dominance. The gene for flower color has two alleles: red (R) and
antoniya [11.8K]

Answer:

0%

Explanation:

According to the question, the inheritance pattern of flower colour in four o'clock plants follow incomplete dominance i.e. one allele is not completely dominant over the other, and instead they form a heterozygous plant with a third intermediate phenotype (flower colour).

In this case, a four o'clock plant with genotype RR will have red flowers while a plant with genotype rr will have white flowers, Hence, they cross to form an all Rr genotype offsprings with pink flowers (since the red allele is incompletely dominant). Therefore, the percentage chance of having a red flower offspring from this cross is 0%, as it cannot occur.

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