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loris [4]
3 years ago
15

How is the inside surface area maximized in each animal dogfish shark?

Biology
1 answer:
Alexus [3.1K]3 years ago
7 0
The inside surface area is shaped in a crescent. It consists of a spiral valve which is made up of the small intestine. Although the dogfish shark has a relatively short small intestine compared to other animals, therefore, the spiral valve allows for a more compact form of the small intestine.
Hence, this structure provides maximum surface area over a relatively short distance in order to make the absorption of nutrients efficient achieved from the food, the sharks had from eating different sea animals.

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Swimmers itch is an initial symptom of which of the following?A. tularemiaB. schistosomiasisC. Chagas diseaseD. Lyme diseaseE. m
bogdanovich [222]

Answer: B. schistosomiasis

Explanation:

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Answer:

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4 0
2 years ago
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7. In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white
kondor19780726 [428]

Answer:

See the answer below

Explanation:

<em>Genotype is the genetic composition of organisms and a gene is made up of two alleles.</em>

a) Since the allele for black is B, <u>the genotype for black chickens would be BB. </u>

b) Since the allele for white is W, <u>the genotype for white chickens would be WW.</u>

c) Since erminette color is heterozygous,<u> the genotype would be BW.</u>

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i. <em>Probability of having black chick (BB) </em>= 1/4

ii. <em>Probability of having a white chick (WW)</em> = 1/4

iii. <em>Probability of having erminette chicken (BW)</em> = 1/2

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(I am just using my common sense)
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