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mr Goodwill [35]
3 years ago
11

Fill in the blanks. A food ____ is a diagram of the energy transfer among organisms in an ecosystem. A food ______ is an illustr

ation of how the chains are interconnected.
Biology
2 answers:
vesna_86 [32]3 years ago
6 0

The first blank can be filled with chain and the second blank can be filled with web.

The food chain shows the link between the organism, what they eat and are eaten by whom. It is a diagram, which shows the flow of the energy from one organism to another by consumption of the organism. There are many organism, which can eat variety of food and can be eaten by many organism, together they form inter connected food chains, which is known as food web. In other words, food web is interconnected food chains.

sergey [27]3 years ago
5 0

first answer is chain

second answer is web

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Answer:

The options

a. New combinations of genes yielding genotypes of greater fitness

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c. Frequency-dependent selection, leading to fluctuations in fitness

d. Heterozygotes with greater fitness, owing to overdominance

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The CORRECT ANSWER IS b.

b. Few heterozygotes because of under dominance

Explanation:

In genetics, underdominance (at times called "negative overdominance") is the opposite of overdominance.

It is the selection against the heterozygote, that leads to disruptive selection and divergent genotypes. It occurs in cases of inferior and reduced fitness (As in our case study, it is the different chromosomal fusions and inversions)

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Another example is the African butterfly species Pseudacraea eurytus, which makes use of Batesian mimicry to avoid predation. This species carries two alleles that gives a coloration that is alike to a different local butterfly species that is harmful to its predator. The butterflies who are heterozygous for this trait are observed to be intermediate in coloration and thus encounter an higher risk of predation and a decrease in the total fitness.

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Hope this helped :)
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