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Worksheet - Evolution - Genetic Drift, Bottleneck & Founder Effect

Grade Levels
8th - 10th, Homeschool
Standards
Resource Type
Formats Included
  • Zip
Pages
3 pages
$2.50
$2.50
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  1. A comprehensive 7 worksheet bundle that covers basic and advanced concepts in evolution for an upper middle school or lower high school biology course. Topics include: who was Charles Darwin, theory of natural selection, evolution, evidence for evolution, types of selection (e.g. stabilizing, disru
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Description

A 3-page worksheet product designed to cover the basic evolutionary concepts of genetic drift for an upper middle school or lower high school biology course. Topics include: natural selection, genetic drift, genetic bottlenecks, and the founder effect.

Contents:

Page 1 - Reading:

  • Natural selection not being the only source of evolutionary change
  • Genetic drift
  • Genetic bottlenecks (includes diagram and example)
  • Founder effect (includes diagram and example)
  • Changes in genetic diversity with each method

Page 2 - Review Questions:

  • Multiple choice review exercise where students match the correct type of genetic change with the examples and definitions given

Page 3 - Answer Key:

  • Color-coded answer key for multiple choice review question

Downloadable in 2 Formats:

  • This product comes in 2 formats: a static PDF document and fully-editable Word document
  • Download the full PDF preview to see EXACTLY what you are getting. No surprises!

Relevant NGSS Disciplinary Core Idea(s) Addressed by This Product:

NGSS MS-LS3 - Heredity: Inheritance and Variation of Traits

  • MS-LS3.A - Inheritance of Traits
  • MS-LS3.B - Variation of Traits

NGSS MS-LS4 - Biological Evolution: Unity and Diversity

  • MS-LS4.B: Natural Selection

NGSS HS-LS3 - Heredity: Inheritance and Variation of Traits

  • HS-LS3.A - Structure and Function
  • HS-LS3.C - Variation of Traits

NGSS HS-LS4 - Biological Evolution: Unity and Diversity

  • HS-LS4.B: Natural Selection

You Might Also Like the Following Worksheets in This Set:

BUNDLE - Evolution Worksheets

Reading - A Brief Biography of Charles Darwin

Worksheet - Darwin's Journey and Natural Selection

Worksheet - Types of Selection

Worksheet - Evidence for Evolution

Worksheet - Divergent Evolution, Convergent Evolution, and Coevolution

Worksheet - Genetic Drift, Bottleneck Effect, and the Founder Effect

Worksheet - Speciation and Forms of Reproductive Isolation

You Might Also Like the Following Related Evolution Products:

PPT - Evolution: Adaptations, Darwin, and Natural Selection

Study Sheet - Evolution and Natural Selection

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Terms of Use:

Copyright © Douglas Enns. All rights reserved by author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this document are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.

Total Pages
3 pages
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
NGSSHS-LS4-5
Evaluate the evidence supporting claims that changes in environmental conditions may result in (1) increases in the number of individuals of some species, (2) the emergence of new species over time, and (3) the extinction of other species. Emphasis is on determining cause and effect relationships for how changes to the environment such as deforestation, fishing, application of fertilizers, drought, flood, and the rate of change of the environment affect distribution or disappearance of traits in species.
NGSSMS-LS4-4
Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment. Emphasis is on using simple probability statements and proportional reasoning to construct explanations.
NGSSHS-LS4-4
Construct an explanation based on evidence for how natural selection leads to adaptation of populations. Emphasis is on using data to provide evidence for how specific biotic and abiotic differences in ecosystems (such as ranges of seasonal temperature, long-term climate change, acidity, light, geographic barriers, or evolution of other organisms) contribute to a change in gene frequency over time, leading to adaptation of populations.
NGSSHS-LS4-2
Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited resources, and (4) the proliferation of those organisms that are better able to survive and reproduce in the environment. Emphasis is on using evidence to explain the influence each of the four factors has on number of organisms, behaviors, morphology, or physiology in terms of ability to compete for limited resources and subsequent survival of individuals and adaptation of species. Examples of evidence could include mathematical models such as simple distribution graphs and proportional reasoning. Assessment does not include other mechanisms of evolution, such as genetic drift, gene flow through migration, and co-evolution.

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