An animal that eats another animal.
Carnivore
The difference between and herbivore and carnivore
Herbivores only eat plants, carnivores only eat meat.
The trophic levels in order.
Primary Producers, Primary consumers, secondary consumers, Tertiary consumers.
If you had 1000 grams of energy and it was passed down 2 times. How much energy is left?
1 gram
If plants disappeared what would happen to herbivores?
They'd die out
The trophic level humans would be classified under
Quaternary consumers
what requires more Energy, an eagle or a rat?
Eagle
If the lowest level in a energy pyramid has 10,000 kcal of energy, how much energy will the Secondary Consumer have?
100 kcal
An organism that eats other organisms to get protein and energy.
a heterotroph
The equation for the ten percent rule.
energy after/ energy before x100
This is the trophic level of secondary consumer.
1%
What is an ecological pyramid?
a representation of biomass at each trophic level in an ecosystem.
consumers that break down tissue of dead animals
decomposers
A community in ecology
a group of two or more species in the same area
The difference between a food web and food chain.
a food web shows many connections, but a food chain is between one group.
This is what 90% of energy after a transfer is used for.
heat and waste
Humans are either omnivores, herbivores, or carnivores.
Omnivores
True or False: An organism can be in more than one trophic level
True
How much energy gets lost in each level.
90%
What is biomass and why is it used as a unit of measurement?
biomass is the total mass of organisms in a given area, because it's the total number of organisms.