Relationships
Terrestrial Biomes
Aquatic Biomes
Gaseous Cycles
Trophic Levels
100

A relationship in which one party benefits at the expense of the other

What is parasitism?

100

This biome has high average annual precipitation and temperatures

What is a tropical rainforest?

100

This class of aquatic biomes is characterized by very low salinity

What is freshwater?

100

The cycling of carbon through the atmosphere and lithosphere

What is the carbon cycle?
100

The lowest level of a food chain

What are producers?

200

A relationship where both parties benefit

What is mutualism

200

This terrestrial biome is most commonly found at or near the equator

What is a tropical rainforest?

200

This aquatic biome is characterized by an area of land flooded most of the year, but shallow enough for emergent vegetation

What is a freshwater wetland?

200

The process by which plants and algae absorb nitrogen

What is assimilation?

200

This is the common rule of energy transfer through a food chain

What is the "10% rule"?

300

A squirrel lives in a dead tree trunk. This is an example of:

What is commensalism?

300

An area with little to no annual precipitation and low temperatures

What is a cold desert?

300

This aquatic biome is rapidly degenerating as ocean temperatures and acidity increase, killing a central part of the biome

What is a coral reef?

300

This is the largest contributor to atmospheric carbon

What is the burning of fossil fuels?
300
This is typically the highest level of consumer which a food chain can support

What is a quaternary consumer/apex predator?

400

Cookie cutter sharks latch on to larger animals and gorge themselves on small chunks of their meat. Parasitism or predation?

What is parasitism?

400

This is the most moderate terrestrial biome

What is a temperate seasonal forest?

400

This coastal biome supports salt-tolerant trees

What is a mangrove swamp?

400

This is the only cause of atmosphere nitrogen fixation

What is lightning?

400

This is the principle stating that changes in one trophic level affect others

What is a feedback loop?

500

Two species evolve to divide a resource based on differences in behavior and morphology

What is resource partitioning?

500

This biome dominates central Asia

What is the temperate grassland (or steppe)?

500

This is the lowest zone of a freshwater lake above the lakebed

What is the profundal zone?

500

This is the largest carbon sink in the world

What is the ocean?

500

This is the scientific term for scavengers

What are detritivores?