Bio-Exam 4

Bio-Exam 4

Assessment

Quiz

Biology

University

Medium

NGSS
HS-LS4-2, HS-LS4-4, HS-LS4-5

+10

Standards-aligned

Created by

Anne Nguyen

Used 2+ times

FREE Resource

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evolution occurs when…

Individual organisms change traits so they can survive better.

The allele frequencies in a population change over time.

Natural selection chooses the strongest individuals.

A species becomes perfectly adapted to the environment.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mechanism is the only source of new alleles in a population?

Migration

Natural selection

Mutation

Genetic drift

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A hurricane kills 90% of a population randomly. The remaining 10% reproduce. This illustrates…

Founder effect


Stabilizing selection

Bottleneck (genetic drift)


Directional selection

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is TRUE of migration (gene flow)?

It only affects the population that receives the migrants.

It reduces allele frequency changes.

Alleles move into and out of populations, changing both groups.

It always increases fitness.

Tags

NGSS.HS-LS2-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Natural selection requires all EXCEPT:

Variation for a trait

Heritability

Differential reproductive success

Random mating preferences

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“Fitness” means:

Being the strongest physically

Living the longest

Producing more offspring than others with different phenotypes

Having no harmful alleles

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When extreme phenotypes have the highest fitness, this is:

Directional selection

Disruptive selection

Stabilizing selection

Artificial selection

Tags

NGSS.HS-LS4-4

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