Spheres of the Earth
Ecological Organization
Feeding Relationships
Organism Relationships
Vocabulary
100

The root "Geo" means...

Ground

100

The scientific study of interactions between organisms and their environments is...

Ecology

100

What type of organisms obtains energy from the sun?

autotroph
100

True or False. Greater numbers of organisms are found at the higher levels of an energy pyramid.

False

100

The unique role a species plays in the environment is the...

niche

200

All of the water that is on the Earth's surface, underground, and in the air makes up the...

hydrosphere

200

Give an example of a biotic factor.

Any living thing

200

What type of organism breaks down dead and decaying matter into simpler molecules that can be absorbed?

decomposer

200

What does the First Law of Thermodynamics state?

Energy cannot be created or destroyed.

200

The smaller niche an organism occupies because of the competition is the...

realized niche

300

Rain carries soil into a nearby pond. What two spheres are interacting?

Hydrosphere and Geosphere

300

A group of organisms of one species in one place at one time is...

population

300

An animal that eats both meat and plants is a(n)...

Omnivore

300

A relationship where both organisms benefit.

Mutualism

300

What is a generalist?

organism that adapts easily to changes in their niche due to large ranges of tolerance

400

Animals breathe in oxygen and release carbon dioxide. Which spheres of the Earth are interacting?

Biosphere and Atmosphere

400

All the ecosystems in a portion of the world with a specific climate is...

biome

400

True or False. Food Webs are simpler than food chains.

False

400

A relationship where one organism benefits and the other is unaffected.

commensalism

400

How much energy is transferred from one trophic level to the next?

10%

500

The frozen part of the hydrosphere is called the...

cryosphere

500

interacting populations

community

500

Look at the food chain below:

grass -> grasshopper -> frog -> snake -> hawk

What type of consumer is the snake?

tertiary consumer

500

A relationship where one organism benefits and the other is harmed

parasitism

500

A chameleon can change color to blend in with its environment. This is an example of what?

camouflage

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