Trophic Levels
Biomes
Cycles
Random
Vocab
100

If there are 10,000 kilocalories of energy available at the producer level, how many kilocalories will be available at the tertiary level?

10 kcal

100

True or false: Biomes are determined based on the weather in that location

FALSE-

Climate (temperature and precipitation)

100

Where is the majority of earth's freshwater?

Frozen in glaciers and ice caps

100

Provide an example of a non-anthroprogenic source of greenhouse gasses

volcanoes

denitrification


100

What does "autotroph" mean?

does photosynthesis, is a producer

200
Where does all energy in terrestrial ecosystems originally come from?

The sun

200

True or false: biome boundaries have never changed

FALSE

200

What is the largest nitrogen reservoir?

atmosphere

200

What is an example of an abiotic factor in an ecosystem

varys

200

What does "anthropogenic" mean?

associated with humans

300

Which trophic level always contains the largest total biomass?

Producers

300

Which is the most common limiting nutrient?

(carbon, phosphorous, water, or nitrogen)

Phosphorous

300

Rank from highest to lowest GWP (global warming potential):

CFCs
H2O
CO2
Methane (CH4)

CFCs

Methane (CH4)

CO2

H2O

300

Provide an example of resource partitioning

answers will vary

400

Draw a food chain and circle the secondary consumer

varys

400

What biome is this? 

Tundra

400
Provide an anthropogenic way nitrogen is added to soil

AND

Provide a natural way that nitrogen is added to soil

anthropogenic- fertilizer

natural- nitrogen fixing bacteria or lightening

400

Provide two reasons why wetlands are important

filters water

Carbon sink

biodiversity

prevents flooding

400

What is the competitive exclusion principle?

no two species can exist in the same habitat at the same time competiting for the same limited resource

500

What is the trophic level of a herbivore?

Primary consumer

500

Which biome has low soil nutrients and very high productivity?

Tropical rainforest

500

Provide an example of a fast process in the carbon cycle

combustion, photosynthesis, respiration

500

What is the name of the process through which autotrophs in the deep ocean get energy

chemosynthesis

500

Which law of thermodynamics explains the 10% rule?

The second law of thermodynamics

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