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Prezygotic Reproductive Barriers & Speciation: Definition & ExamplesNext Lesson 

Speciation: Allopatric and Sympatric Speciation

Chapter 18 /  Lesson 5   Transcript
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Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following statements about species is MOST accurate?

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Worksheet
Speciation: Allopatric and Sympatric Speciation Worksheet

1. A population of lizards is split by an earthquake which leaves half of the population on an island and the other half on the tip of the peninsula. These lizards can't swim. What type of speciation will occur?

2. Define speciation.

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About This Quiz & Worksheet

Organisms are classified into units called species. This quiz/worksheet combo will help you test your understanding of speciation and how it occurs. Some vocabulary terms you'll be assessed on include types of speciation and polyploidy.

Quiz & Worksheet Goals

In these assessments you'll be tested on the process of speciation, more specifically:

  • Defining speciation
  • Identifying polyploid organisms
  • Recognizing different types of speciation
  • Knowing what makes an organism part of the same species

Skills Practiced

This quiz and worksheet allow students to test the following skills:

Knowledge application: use your knowledge to answer questions about how being polyploidy affects the number of chromosomes in a somatic cell

Distinguishing differences: compare and contrast the differences between types of speciation

Interpreting information: verify that you can read information regarding the number of chromosomes in different species and interpret it correctly

Additional Learning

To learn more about speciation, review the accompanying lesson by the name of Speciation I: Allopatric and Sympatric Speciation. This lesson will help you accomplish the following objectives:

  • Define morphology and how it has been used historically to define a species
  • Differentiate between geographic and biological isolation of gene pools
  • Understand how alleles can flow between populations
  • Know how an ancestral species splits into two or more species
You are viewing lesson Lesson 5 in chapter 18 of the course:

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Biology 101: Intro to Biology

22 chapters | 151 lessons | 12 flashcard sets

Ch 18. Evolutionary Principles & Natural...
Ch 19. Earth's Timeline & Geological...

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