Key Terms
What Eats What
Trophic Levels
Potpourri
Old material
100
Organism that makes its own food
producer
100
Eats plants only
herbivore
100
First level of the food chain
producer
100
Linear chain of energy flow
food chain
100
Human growth pattern
exponential
200
Organism that gets energy from eating other organisms
consumer
200
Eats meat only
carnivore
200
Consumer that eats the tertiary consumer
Quaternary
200
Only __% of energy is moved up the energy pyramid
10
200
Marshes have ________ stems and swamps have _________ stems.
green; woody
300
Consumer that breaks down dead organisms
decomposer
300
Eats plants and animals
omnivore
300
An herbivore is a
primary consumer
300
Many interconnected food chains
food web
300
Biome with greatest diversity
rain forest
400
Each step in the transfer of energy in a food chain or web.
trophic level
400
Humans are considered _________________ because we eat meat and potatoes
omnivore
400
Eats the secondary consumer
Tertiary
400
Pesticide no longer used because of health effects to organisms
DDT
400
bottom zone of an aquatic ecosystem
benthic
500
Process in which plants use light energy to make food
photosynthesis
500
Fungi are decomposers so they eat ______________________________________________
dead animal/plant material
500
If a bird eats seeds and insects, what trophic levels are it? Must say each one for full points.
primary and secondary
500
Process where poisions can increase going up the food chain/web
biological magnification
500
Maximum population that an ecosystem can support is its _______________________________________
carrying capacity
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