Lesson 2: Populations & Resources

Lesson 2: The Alaskan Ecosystem

Multiple Choice

WARM UP Questions 1: Ecologist are scientists that study...

• the relationships between organisms and their environments

• the relationships between chemicals and their environments

• The physics between organisms and their environments.

Multiple Choice

WARM UP Question 2: Ecologists are MOST interested in...

• Populations of a specific animal the decrease or increase suddenly.

• The effects of climate change on the environment

• The use of natural resources

• The impact of human activities on the environment

Multiple Choice

A POPULATION in ecology is...

• All of the animals in the ecosystem

• All of the members of one species within an ecosystem

• One individual of a species in an ecosystem

Open Ended

Think about it...

Why do populations change size in an ecosystem?

Open Ended

Why do you think ecologist are so interested in populations that suddenly change in numbers?

2. Look at really cool Algae (called Diatoms) using microscopes

1. Read about the ecosystem we are exploring in this unit & answer questions.

Lesson 2 Goals

Some text here about the topic of discussion

Why do populations change size in an ecosystem?

​Big Question

all the living and nonliving things interacting in a particular area

Ecosystem

a group of the same type of organism living in the same area

Population

The rest of the class we will...

• Read about our arctic ecosystem

• Answer questions about the ecosystem

• Use the microscopes! (if there is time)

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Multiple Choice

EXIT TICKET QUESTIONS: Moon jellies are..

• Predators

• Prey

• Predators & Prey

• Neither

Multiple Select

Zooplankton are eaten by...

• Jellies

• Walleye Pollock

• Sea Turtles

• Orcas

Multiple Choice

Algae are kind of like...

• The plants of the sea

• The ants of the sea

Multiple Choice

Leatherback sea turtles eat...

• Jellies

• Zooplankton

• Walleye Pollok

• Orcas

Multiple Choice

Orcas eat (importantly for this ecosystem)

• Jellies

• Walleye Pollock

• Sea turtles

• Algae

Multiple Choice

Green sea urchins eat...

• Algae called kelp

• Walleye Pollock

• Zooplankton

• Orca

Open Ended

How might one of these populations affect the population of moon jellies in the Alasksan Gulf?

Sentence stem: I think the ..... population could affect the moon jelly population because...

All done! Let's microscope