Guess that Definition
Which Symbiosis?
Food Webs
Producers, Consumers, and Decomposers
Changes to Ecosystems
200

Any living thing

Organism

200

A tick living feeding off a dog

Parasitism

200

Which direction will the arrow point: A food web shows that a rattlesnake eats a woodrat. 

The arrow will point to the rattlesnake because it follows the energy flow.

200

Eat other organisms

Consumers

200
True or False: Overhunting one species in a food web affects all other species in the web.

True

400
The process of changing sunlight and CO2 into sugar and oxygen

Photosynthesis

400
Clown fish and sea anemones help each other to survive

Mutualism

400

Where do producers get their energy?

The Sun.

400

Make their own food

Producers

400

What can humans do to negatively impact an ecosystem? (Lots of possible answers)

(Many possible answers including pollute, overhunt, and destroy habitats)

600

An organism that eats only producers

Herbivore

600

Phorid flies lay eggs in fire ants' bodies. Then the baby phorid fly eats its way out of the ant when it hatches, killing the ant.

Parasitism

600

Which direction will the two arrows point: A food web shows that phytoplankton are eaten by zooplankton and krill.

The arrows will point to the zooplankton and the krill.

600

Predators and prey are examples of these.

Consumers

600

What is something humans can do to help restore ecosystems? (Lots of possible answers)

Lots of possible answers including restoring habitats, reducing or cleaning up pollution, using green energy, etc.)

800

An organism that eats both plants and animals.

Omnivore

800

Hermit crabs use long discarded sea snail shells for protection.

Commensalism

800

A bird is shown eating grains and grasshoppers. This means it is considered to be a ______vore (Herbivore, Carnivore, or Omnivore)

Omnivore

800

Eats dead plants and animals and returns the nutrients to the soil.

Decomposers

800
What do we call a species that is not native to an ecosystem and begins to wreak havoc?

An invasive species

1000

An animal that only eats insects.

Insectivore

1000

Bees help to pollinate flowers as they gather pollen for their hive.

Mutualism

1000

What do you call an an animal that is not hunted by any other animals?

An apex predator

1000

A mushroom is an example of one of these.

Decomposer
1000

What words means that an balanced ecosystem has a wide variety of life.

Biodiversity