# Checks and Balances lesson

More Options: Make a Folding Card

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#### Storyboard Text

• 1) Choose population manager of a species population (moose, bears, fish, etc.). The point of this activity is to have a viable population after 9 rounds, years. If anytime your population reaches above 200 or under 10, the student no longer has a viable herd and then watches the other students until the end.﻿
• 3) As each card is drawn and read out loud to their group, each student then rolls their dice to determine the new population of their herd. The student is required to calculate the increase or decrease of the population by a certain number using the directions on the card. if numbers result in fractions, please round up.﻿
• Procedures:﻿
• 4) The student will repeat the last step until 9 rounds have finished. Then the students will calculate the major influences that cause a change in their herd population. After ending the activity, students will join for a class discussion.﻿
• 2) Each student has a starting population of 100 animals. The cards are separated into 3 decks, equaling 36 cards. 18 cards for the condition deck, 9 for the reproduction deck, and 9 for the management deck. Cards must be drawn in this sequence: condition card, reproduction card, and management card. Each drawing sequence represents 1 year.﻿
• Students preparing for todays activity.﻿
• Students preparing for group activity.﻿
• Factors that Affect Population Sizes: Habitat Loss Food Poachers Pollution﻿
• The activity procedures instructions.
• Students finishing activity and preparing for class discussion.﻿
• Students discussing which factors greatly affected their heard sizes.﻿
• Now students individually work on processing their data collected into graphs.﻿
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