Roles of Living Things
Ecosystem Structure
Energy in the Ecosystem
Cycles of Matter
Miscellaneous
100
Organisms which cannot make their own food.
What is a consumer?
100
The transfer of food between the trophic levels of an ecosystem.
What is a food chain?
100
The total amount of organic matter present in an trophic level.
What is biomass?
100
We make up 96% of matter in the human body.
What is C, N, O, and H?
100
I am nitrogen-fixing bacteria; I live on nodules of the roots of this kind of plant.
What is a legume: peanuts, clover, beans.
200
They feed on the bodies of someone else's kill.
What is a scavenger?
200
A network of food chains.
What is a food web?
200
Diagram which shows the relative amounts of ENERGY in different trophic levels.
What is an ecological pyramid?
200
How water evaporates into the atmosphere through plants.
What is transpiration?
300
A layer in the structure of feeding relationships in an ecosystem.
What is a trophic level?
300
Increasing concentration of a pollutant in an organism at trophic levels in a food web.
What is biological magnification?
300
I show the amount of MASS of organic matter at each trophic level.
What is a BIOMASS pyramid?
300
The three places you will find Carbon.
What is organic matter, the oceans and rocks.
400
We make up the second layer in an ecosystem's trophic hierarchy.
What are primary consumers?
400
This chemical pollutant was responsible for weakening the shell strength of my eggs.
What is DDT?
400
Count on me to diagram the number of individual organisms in an ecosystem.
What is a NUMBERS pyramid?
400
The most common form of nitrogen usable by plants.
What is Nitrate, (NO3)?
500
Bacteria and fungi.
What are decomposers?
500
"I am a deciduous with many links in my food web.........."
What is a diverse, stable ecosystem?
500
We receive about .1% of the original energy captured by the autotrophs.
Who are the tertiary consumers?
500
Two carbon chemical processes that are the reverse of the other.
What is photosynthesis and respiration?
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