Download Activity 72: The Miracle Fish

Activity 72: The Miracle Fish
 Challenge: What are the trade-
offs of introducing a species into a
new environment?
 Key Vocabulary:
Evidence
Trade-Offs
Ecologists
Getting Started:
 Imagine you have a pet that you no longer
want. What is the best way to get rid of it?
 What are the trade-offs of your decision?
Lake Victoria- Background
 Lake Victoria is surrounded by three countries:
Tanzania, Uganda, and Kenya.
 The ownership of the lake is divided among the three
as follows: Tanzania has 49%, Uganda has 45%, and
Kenya has 6%.
 The lake itself has an area of 26,830 square miles,
which is nearly the size of the state of West Virginia.
 It is the second largest lake in the world (Lake
Superior, one of the Great Lakes, is the largest).
 Despite its size, it is a shallow lake of less than 300
feet at its deepest point.
Map of Lake Victoria
PROCEDURE
Together: Read scenario on page E-4
 Figure out your role
 Take turns reading the Scenario on
pages E-6 to E-8
 After you read, fill in the Intra-Act
worksheet as your “role”.
 Answer Analysis Questions
1-4 as a group in your
notebooks
•
Roles You are thinking like you are…
#1 James
#2 James’ Father
#3 Owner of fishing company
#4 An environmentalist
Should the Nile Perch have been introduced into
lake Victoria?
 Yes:
 No:
Homework
Analysis Q # 6
SHOULD NILE PERCH HAVE BEEN
INTRODUCED INTO LAKE VICTORIA?
SUPPORT YOUR ANSWER WITH 2
PIECES OF EVIDENCE AND DISCUSS AT
LEAST ONE TRADE –OFF OF YOUR
DECISION.