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OSE HS BIO: B.1 Lesson 5

Last updated 8 months ago

19 questions

Step 1: Anchoring Phenomenon Recap

2

Data Exploration: Serengeti Wildebeest & Lion Populations (15 mins)

Guided Analysis & Discussion (20 minutes)

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4. Human Impact Scenario (10 min)

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Question 1

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Question 14

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Question 15

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Question 16

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Question 17

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Question 18

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Question 19

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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What does the dotted line represent in the graph?

Population growth rate

Carrying capacity of the wildebeest population

Average wildebeest size

Yearly migration patterns

What happened around 1960 according to the graph?

Decrease in food sources

Increase in predators

Natural habitat destruction

Introduction of disease control measures

What trend is shown after the disease control era?

Constant decline in carrying capacity

Dramatic increase in predators

Rapid decline in population

Population growth stabilizes near carrying capacity

What is the general trend of the wildebeest population from 1950 to 2000?

Population fluctuates randomly

The population increases over time

Population remains stable

Population only decreases

What trend does the lion population show from 1950 to 2000?

Steady decline throughout the years.

No significant change observed.

Overall increase with some fluctuations.

Sharp increase after 1970.

Which decade saw the highest lion population?

Between 1970 and 1980.

Between 1990 and 2000.

Between 1950 and 1960.

Between 1980 and 1990.

How did the lion population change from 1960 to 1970?

It experienced slight decreases and increases.

It increased sharply throughout.

It only decreased steadily.

It remained constant over the decade.

What was the lion population around 1980?

Close to 30,000 lions.

Around 15,000 lions.

Approximately 22,000 lions.

About 27,000 lions.

What does the orange line represent in the graph?

Total predator-prey interaction

Lion population over time

Wildebeest population over time

Wildebeest extinction trend

What trend is seen in lion population from 1950 to 2000?

Population stays constant

Wild fluctuations yearly

Gradual increase in lion population

Sudden drop in population

What is the relationship between lions and wildebeests in this graph?

Lions are predators of wildebeests

They have no interaction

Both are competing species

Wildebeests are predators

What does the y-axis represent in the graph?

Number of species

Relative population of species

Number of years

Habitat area