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Food Webs
What do I eat
Cycles
Leftovers
Last group
100
The word that best describes the food web in a diverse ecosystem.
What is complex?
100
Organism that feeds on plants only.
What is a herbivore?
100
Nitrogen fixation is carried out primarily by.
What is bacteria?
100
All organisms that make their own food are called.
What are producers?
100
The original source of almost all the energy in most ecosystems.
What is sunlight?
200
A condor's role in the food web is called.
What is scavenger?
200
An animal that eats both producers and consumers.
What is omnivores?
200
List the three direct roles in the nitrogen cycle.
What is bacteria, legumes, decomposers?
200
The process by which bacteria convert nitrogen gas in the air to ammonia.
What is nitrogen fixation?
200
An organism that cannot make its own food is called.
What is heterotroph?
300
Most of the energy available to a consumer trophic level is use by what 3 things.
What is respiration, movement, and reproduction?
300
The place where large amounts of atmospheric carbon dioxide are absorbed.
What is the oceans?
300
A snake that eats a frog that has eaten an insect that fed on a plant is a.
What is third-level consumer?
300
The total amount of living tissue within a given trophic level is called.
What is biomass?
400
The interconnected feeding relationships in an ecosystem make up a food.
What is web?
400
The percent of the energy in a trophic level that is available to organisms at the next trophic level.
What is 10%?
400
Organisms ned nutrients in order to do what.
What is carry out essential life functions?
400
What happens to the energy that can't be passed on to the next trophic level.
What is it eliminated as heat?
500
The term for each step in the transfer of energy and matter within a food web?
What is trophic level?
500
The algae at the beginning of a food chain of algae, zooplankton, small fish, squid, and shark.
What is a producer?
500
The type of pyramid that shows the amount of living tisue at each trophic level in an ecosystem?
What is biomass pyramid?
500
Carbon is stored in the biosphere in this manner. There are three ways.
What is in the atmosphere carbon dioxide, underground as fossil fuels and calcium carbonate rock, in the oceans as dissolved carbon dioxide.
500
Food web stability is most dependent upon.
What is the number of connections among species?