the amount of energy available at each trophic level in an ecosystem
What do energy pyramids show?
trophic levels
What are the "steps" in an energy pyramid called?
autotroph
This word means the same as "producer".
heterotroph
This word means the same as "consumer".
10%
How much energy is transferred from 1 level to the next in an energy pyramid?
moving, reproducing, excreting, finding food, eating, growing, breathing, heart beating, keeping warm
List 4 ways that organisms use up the energy they consume.
amount of energy available
What decreases as you move from the bottom to the top of the pyramid?
Producer level (bottom level)
Which level has the most energy available?
primary consumers
In an ecosystem, which will you find more of:
primary consumers or tertiary consumers?
TRUE
True or False: an organism can be at more than one trophic level
Less
Are there more or less organisms per trophic level as you go up an energy pyramid?
producers
What do primary consumers eat?
primary consumers
What do secondary consumers eat?
secondary consumers
What do tertiary consumers eat?
heat
Any time energy is transferred, most is lost through metabolic processes and by
kilocalories
The unit of measurement for energy
biomass
The mass of all living organisms in an ecosystem
FALSE
Mass is the same as weight.
heat
Any time energy is transferred, most is lost through metabolic processes and by
kilocalories
The unit of measurement for energy
heat
Any time energy is transferred, most is lost through metabolic processes and by
kilocalories
...
heat
Any time energy is transferred, most is lost through metabolic processes and by
kilocalories
...
heat
Any time energy is transferred, most is lost through metabolic processes and by
Any time energy is transferred, most is lost through metabolic processes and by
Any time energy is transferred, most is lost through metabolic processes and by