What is the correct explanation for what is happening in this graph?

There are a lot of small and large beaks, but not average-sized ones

There are a lot of average-sized beaks

There are a lot of small beaks only

Scientists find that most feral cats in a neighborhood have whiskers about 12 cm long. After about 15 generations of stabilizing selection , what would you expect to see?

even more cats with 12 cm long whiskers

most cats with less than 12 cm long whiskers

most cats with more than 12 cm long whiskers

most cats with whiskers either less than or more than 12 cm long, very few with whiskers 12 cms

Why did the population of peppered moths in England change from light to dark after the Industrial Revolution produced a lot of pollution?

Light moths were easy to see against sooty trees and were eaten

Light moths were killed by soot

The birds that ate the dark moths were killed by soot

Dark moths were produced by industrial processes

Artificial selection is...

the process by which humans select who lives and dies based on traits of animal or plant.

the process by which natures selects who lives and dies.

the process by which animals adapt to their surroundings.

the process by which people take over ecosystems.

Types of Natural Selection

Authored by Jennifer Bowen

Biology

9th - 12th Grade

NGSS covered

Used 2K+ times

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19 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An extreme phenotype is favored causing the alleles to shift toward that phenotype

Disruptive Selection

Directional Selection

Stabilizing Selection

Artificial Selection

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genetic diversity decreases and individuals at the center of the curve have higher fitness.

Disruptive Selection

Directional Selection

Stabilizing Selection

Artificial Selection

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Natural selection can best be defined as the _____.

survival of the biggest and strongest in a population

survival and reproduction of those in the largest area

elimination of the smallest organism by the biggest

survival and reproduction of those that are best adapted

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Characteristics that allow a population to become better suited to its environment

accommodation

adaptation

variation

selection

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you think is an adaptation?

A trait that helps an organism adapt to its environment

An organism that survives best in an environment

A person who studies adapting animals

a random chance event that shapes the population

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the three graphs shows stabilizing selection? The original population is shown with a solid line.

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the three graphs shows disruptive selection? The original population is shown with a solid line

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

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Types of Natural Selection

An extreme phenotype is favored causing the alleles to shift toward that phenotype

Genetic diversity decreases and individuals at the center of the curve have higher fitness.

Natural selection can best be defined as the _____.

Characteristics that allow a population to become better suited to its environment

What do you think is an adaptation?

Which of the three graphs shows stabilizing selection? The original population is shown with a solid line.

Which of the three graphs shows disruptive selection? The original population is shown with a solid line

If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?

Robins typically lay fours eggs. If more then four eggs are produced then the baby chicks are malnourished while smaller egg numbers result in no viable (able to live) baby chicks. This is an example of

What type of natural selection is this?

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