levels
All of the elephants living in a wildlife preserve would be considered a
populations
what is the name of something that only eats plants
herbivore
Give an example of a relationship between a producer and a consumer.
plant > herbivore
which level of the energy pyramid has the least amount of energy?
top predator or apex predator
define heterotroph
something that gets its food by consuming other organisms
A(n) ___________ is a collection of all of the abiotic factors and biotic factors in an entire region.
ecosystem
what is the name of something that only eats meat
carnivore
What is the primary source of energy in a food chain?
sun
Which organism in this food web contains the most energy?
producers
define autotroph
something that makes its own food
Earth is divided into large geographic regions or ________________, which are based on differences in climate.
biomes
what is the name of something that eats both plants and meat
omnivore
which direction should the arrows point on a food web?
they point to what is eating it
In the pyramid, only about 10 percent of the __________ is available within one trophic level is transferred to organisms at the next trophic level.
energy
grass>rabbits>snakes>owl
what would happen to the rest of the organisms if all of the snakes died?
rabbits up
grass down
owl down
All of the squirrels, grass, oak trees, and turtles in a forest would be considered a
how would you classify algae
producer
what do arrows show us about the flow of energy on a food web?
they point to where the energy is going
What does some of the energy get lost as on an energy pyramid?
heat
how much energy gets passed to each trophic level on an energy pyramid
10%