Cycles
Relationships
Vocabulary
Ecosystems
Energy Flow
100

The way water is cycled through the biosphere

What is The Water Cycle? 

100

Any close relationship between species 

What is symbiosis?

100

Organisms competing for food and survival 

What is competition? 

100

The lowest level in individual things 

What is an Organism? 

100

Each step in a food chain or web is called...

What is a trophic level?

200

Photosynthesis occurs in this cycle 

What is The Carbon Cycle?

200

Both species benefit from the relationship 

What is mutualism? 

200

Animal that hunts and kills other animals for food 

What is a Predator? 

200

High in the atmosphere to deep in the ocean

What is the Biosphere? 

200

Total mass of living matter at each trophic level

What is Biomass? 

300

The cycles that move water, carbon, oxygen, and nitrogen through ecosystems are...

What is Biogeochemical cycles? 

300

One animal benefits while the other is harmed 

What is parasitism? 

300

The unique way an organism survives 

What is a Niche? 

300

Large geographic areas with similar climates and ecosystems 

What is a Biome? 

300

Arrows are used in this diagram to show energy flow in an ecosystem (smaller than a web)

What is a Food Chain?

400

The short version of the phosphorus cycle (how the phosphorus travels) 

What is Soil to Producer to Consumer? 

400

One animal benefits while the other is unaffected 

What is commensalism? 

400

Nonliving Factors in an ecosystem 

What is Abiotic Factors? 

400

Group of interacting populations that occupy the same geographic area at the same time

What is a Community? 

400

Complex network of interconnected feeding relationships 

What is a Food Web?

500

The two main parts of the nitrogen cycle 

What is Nitrogen Fixation and Denitrification? 

500

The relationship between cows and the bacteria in their digestive system is an example of... 

What is mutualism? 

500

Study of interactions that take place among organisms and their environment 

What is Ecology? 

500

Organisms that make their own food (list both names)

What is a producer and autotroph?

500

The percent of energy transferred between trophic levels 

What is 10%?