Ecology

Nitrogen

100

What organism "fixes" nitrogen to be usable by animals and plants?

Bacteria or nitrogen fixing bacteria

200

Can animals and plants use free nitrogen in the air?

No

300

What is decomposers role in the nitrogen cycle?

Break down dead organisms, nitrogen returns to the soil

400

Can nitrogen be destroyed?

No

Symbiosis

100

What is mutualism

Both benefit

200

What is parasitism?

One benefits, one is harmed

300

What is the difference between predator prey and parasitism

Prey is killed and eaten, parasitism the host is harmed but does not die (not the intention of the parasite)

400

What is one mutualism or parasitism relationship

Answers may vary

3 Foods Ecology

100

What is does the food pyramid, web, and chain have to start with?

Producers, plants

200

What is the biggest level in the food pyramid?

Producers (bottom)

300

What is the name for the organisms in the top level of the food pyramid?

Top carnivore

400

What happens if one organisms is removed from the food web?

Throws it off: some organisms will decrease, while other populations will increase

Sucession

100

What does primary succession begin with?

bare rock

200

What does secondary succession begin with?

soil

300

There was a tornado, what type of succession will occur?

Secondary Succession

400

What is succession?

Change in an ecosystem over time

Mis.

100

Pick a science definition correctly define it

answers vary

200

What are the three types of consumers, what do they eat

Herbivore: plants Carnivore: meat Omnivore: plants and animals

300

What do animals exhale? Do plants use that to make food?

CO2 (carbon dioxide) Yes

400

What is evaporation, condensation, transpiration, and precipitation?

Evaporation: water changing from liquid to gas Condensation: water changing from gas to liquid (clouds) Precipiation: water falling back to Earth (rain) Transpiration: water released into the air from plant's leaves