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riadik2000 [5.3K]
3 years ago
10

What is the difference between food chain and food Web​

Biology
1 answer:
alekssr [168]3 years ago
5 0

Answer:

Here ya go!

Explanation:

A food chain is a single line of organisms, where each is preceded by something that it consumes and is followed by something that consumes it. A food web branches out in all directions with arrows pointing from organisms to any number of organisms that consume it.

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Adenine always pairs with ?
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It pairs with Thymine
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using a genetic code chart and the mRNA codons provided in the table below, fill in the appropriate amino acids in the BLANK box
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Why would natural selection not occur without genetic variations in species?
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If you do not have variations to be selected by natural or sexual selection on their superior abilities to survive and reproduce successfully then nothing can be naturally selected against the immediate environment.
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In rabbits, short hair (S) is dominant over long hair (s). What genotype and phenotype ratios are expected from a cross between
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Answer:

Answer:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair          3/4

ss                  1/4          Long hair          1/4

Explanation:

Both are heterozygous for the trait so we can expect that the cross would be:

Ss x Ss

   S     s

S  SS   Ss

s   Ss   ss

So the resulting off-spring would have the following genotype and phenotype:

1 out of 4 will have a genotype of SS.

2 out of 4 or half will have a genotype of Ss.

1 out of 4 will have a genotype of ss.

But because short hair is dominant the phenotype ratios would differ because Ss and SS would express short hair, so we add up their ration:

Short hair: 1/4 + 2/4 = 3/4

Long hair:  1/4

So in summary:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair        

ss                  1/4          Long hair          1/4

Explanation:

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3 years ago
Which of the following is an example of parasitism?
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Answer:

Female mosquitoes feed on the blood of animals

Explanation:

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