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KatRina [158]
3 years ago
11

an insect population is growing in such a way that the number in each generation is approximately 1.5 times that of the previous

generation. if there are 100 insects in the first generation, approximately how many insects will there be in the fourth generation
Biology
1 answer:
ruslelena [56]3 years ago
4 0

Answer:

Approximately 338

Explanation:

Since each generation of the insect is approximately 1.5 times that of the previous generation. Therefore,

Population of insect in the first generation = 100

Population of insect in the second generation = 1.5 × 100

                                                                    = 150

Population of insect in the third generation = 1.5 × 150

                                                                     = 225

Population of insect in the fourth generation = 1.5 × 225

                                                                     = 337.5

The population of insect in the fourth generation is approximately 338.

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Part B
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The trait distribution most likely change over this time such that the plants with favorable traits, medium-tip leaves and drip-tip leaves will survive due to natural selection.

<h3>What is natural selection?</h3>

Natural selection is the process by which organisms which are better suited to their environment survive whereas those not suited die off.

The organisms that are suited to their environment possess special features which enable them to adapt to changes in their environment.

Considering the plants in the rainforest with different leaf tips:

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  • Trait B: drip-tip leaves
  • Trait C: wide-tip leaves

Since fungi grow in moist environments, it can be seen that plants with Trait C will be least favored to survive, while plants with Trait B will be most favored to survive by natural selection.

Thus;

  • In year 1: the composition of plants is 50% have medium-tip leaves, 25% have wide-tip leaves, and 25% have drip-tip leaves.
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In conclusion, plants with favorable traits will survive due to natural selection.

Learn more about natural selection at: brainly.com/question/14385908

#SPJ1

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