What do I eat?
Ecosystem Roles
Food Chains
Data
Yellowstone
100
I eat only meat.

What is a carnivore?

100

An animal who eats another animal.

What is a predator?

100

The primary source of energy on Earth.

What is the sun?

100

In 1998, the population size of elephants was 700.

In 2008, the population size of elephants was 950.

Over time...

What is the population size increased?

100

The animal at the center of the Yellowstone controversy.

What are wolves?

200

I only eat plants.

What is an herbivore?

200

An animal who is eaten by another animal.

What is prey?

200
Organisms that make their food through photosynthesis.

What is a producer?

200

In 2004, the average height of pine trees was 137 cm.

In 2024, the average height of pine trees was 94 cm.

Over time...

What is the average height decreased?

200

The type of species wolves are at Yellowstone.

What is a keystone species?

300

I eat both plants and meat.

What is an omnivore?

300

An organism that relies on other organisms for food.

What is a consumer?

300

An organism that consumes producers.

What is a primary consumer?

300

In 1975, the number of bee colonies was 8,907.

In 2005, the number of bee colonies was 5,421.

Over time...

What is the number of colonies decreased?

300

The way birds were affected by the removal of wolves from YNP.

What is by elk damaging their habitat and food source by trampling/eating trees and bushes?

400

Why ecosystems need predators.

What is to keep their prey from overpopulating?

400

An organism that breaks down dead animals and plant materials.

What is a decomposer?

400

An organism that eats the primary consumer.

What is a secondary consumer?

400

In 1960, the average age of tortoises was 128 years old.

In 1980, the average age of tortoises was 154 years old.

Over time...

What is the average age increased?

400

The year of the Yellowstone National Park town hall decision.

What is 1994?

500
A tertiary consumer is typically this kind of eater.

What is a carnivore?

500
The most important organism in an ecosystem.

What is a keystone species?

500

A collection of connected food chains.

What is a food web?

500

In 1999, the population size of arctic fox was 100,500.

In 2019, the population size of arctic fox was 70,250.

Over time...

What is the population size decreased?

500
The real-life decision made at Yellowstone.

What is introduce experimental wolves (scenario one)?

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