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Lesson Plan
CORRELATION TO NATIONAL STANDARDS

Not Just Birds and Bees

Background, Activities and Critical Analysis
By Emily Abrams
Subject(s)
SubjectList: Science
Estimated Time
EstimatedTime: 90 minutes
Grade Level
Grades 10-12
Objective
Objective:

1.  Identify some of the different ways that organisms reproduce.
2.  Research characteristics and behaviors of an organism.
3.  Integrate research into writing.

Background
On Valentine’s Day 2012, a baby chimpanzee was born at Chimp Haven, a chimpanzee sanctuary outside of Shreveport, Louisiana.  The birth was unexpected because all of the male chimps at the sanctuary had been given vasectomies.  In fact, the baby’s father had undergone two.  Chimpanzees have been found to have an extremely high rate of spontaneous vasectomy reversal. 

Survival of the species depends on reproduction.  While this chimp adaptation is perhaps unusual, nature has come up with many “strange” ways to guarantee that organisms pass on their genes from generation to generation – even if the conditions for reproduction are less than ideal by human standards.    

Vocabulary:
Asexual Reproduction: offspring come from a single parent and inherit the genetic characteristics of only that parent

Sexual Reproduction:  offspring are created by combining the genetic material of two organisms

Hermaphrodite: organisms with the reproductive organs of both the male and female sexes

Cloning: a cell divides creating two identical cells

Genetic Diversity: the number of genetic variations within a species

Procedure
1.  Read and discuss the news story from Chimp Haven.  What was unusual about the baby chimp’s birth? 

2.  Pass out Extreme Reproduction Readings.  Students will read about reproductive strategies of several unusual organisms and then answer the questions in the reading guide. 

3.  As a class, discuss the advantages and disadvantages that these reproductive strategies have for their species.

3.  Students will choose the organism that they find most interesting and research more information about its physical characteristics and behaviors.   Directions can be found on the Extreme Reproduction Organism Research Guide WS.


4.  Students will use the Extreme Reproductive Readings and their research to write a Birth Announcement for their species.  The announcement must include at least 10 facts about the organism.  Information in the announcement could include:

  • The appearance of the offspring
  • Information about the offspring’s future growth and development
  • Information about the parents
  • The location of the birth
  • Possible gifts for the baby or family

An example is provided on the Extreme Reproduction Organism Research Guide

 

Last Updated: May 25, 2012

About the Author

Emily Abrams was a middle school and high school science teacher for 10 years. She is currently a freelance writer and stay-at-home mom.


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The Materials You Need


Additional Resources for Teachers
Dr. Tatiana’s Sex Advice to All Creation by Olivia Judson (Metropolitan Books, 2002)

Websites that feature unusual animal reproduction

http://www.neatorama.com/2007/04/30/30-strangest-animal-mating-habits/

http://scienceray.com/biology/zoology/13-strangest-and-most-unusual-sexual-behavior-among-the-animals/3/

http://nationalzoo.si.edu/Publications/ZooGoer/2004/2/wildersideofsex.cfm

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National Standards
McRel Compendium Standards 7. Understands biological evolution and the diversity of life

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