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3 years ago

Which of the following statements is FALSE?

2 answers:

7 0

A disturbance in an ecosystem is an event that changes the availability of resources in that ecosystem. Ecological disturbance may be natural or man made.It is an event or force which cause for death of organisms or affecting the spatial distribution. Wind, drought, fire etc are exmples for this phenomenon

Strike441 [17]3 years ago

3 0

The statement “disturbance is by definition harmful and undesirable for the ecosystem.” is false.

Further explanation:

An ecosystem is the set of both the biotic as well as the abiotic components that interact with each other to sustain themselves. The ecosystem is made up of abiotic components like; sunlight, climate, water, minerals and soil. The biotic components of an ecosystem include plants, animals and microorganisms.

Any disturbance in the ecosystem can cause changes in either the biotic component or the abiotic components or both the components. The disturbances can be either natural or humanmade. The natural disturbances may include; drought, floods, volcanic eruptions and forest fires. The manmade disturbances may include; industrialization, urbanization and building up of dams.

It is not appropriate to say that all the disturbances in the ecosystem are harmful. This is because disturbances such as drought or floods can sometimes eradicate some of the harmful organisms that dwell in the ecosystem. Forest fires can also lead to the burning of such plants, which prohibited the growth of other plants or make the land barren.

Learn more:

1. Learn more about abiotic factor

brainly.com/question/1561256

2. Learn more about cellular respiration brainly.com/question/8900186

3. Learn more about primary and secondary succession brainly.com/question/4723069

Answer Details:

Grade: High School

Subject: Biology

Chapter: Ecosystem

Keywords:

Ecosystem, biotic components, abiotic components, drought, floods, volcanic eruptions and forest fires, industrialization, urbanization, barren land.

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Assuming the population begins in H−W equilibrium, what is C1 allele frequency after one generation of natural selection? Expres

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Complete question:

In a population of flowers growing in a meadow, C1 and C2 are autosomal codominant alleles that control flower color. The alleles are polymorphic in the population, with f (C1) = 0.7 and f (C2) = 0.3. Flowers that are C1C1 are yellow, orange flowers are C1C2, and C2C2 flowers are red. A storm blows a new species of hungry insects into the meadow, and they begin to eat yellow and orange flowers but not red flowers. The predation exerts strong natural selection on the flower population, resulting in relative fitness values of C1C1 = 0.30, C1C2 = 0.60, and C2C2 = 1.0. Assuming the population begins in H−W equilibrium, what is C1 allele frequency after one generation of natural selection? Express your answer using three decimal places.

Answer:

The C1 allele frequency after one generation of natural selection equals 0.559

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached file.

Download pdf

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