define
producers
make their own food
I eat only plants
herbivores
carnivores- eat only meat
omnivores- eat meat and plants
many food chains connected together called
food web
where can you find food chains that start with phyoplankton
marine- water
consumers
get food from other organisms
I eat only meat
carnivore
food chains and food webs
food chain- direct chain of organisms linked
food web- a bunch of food chains connected to each other
what does interpendance mean?
organisms depend on each other to survive
because energy is lost at each level
decomposers
break down dead organisms
I eat plants and animals
omnivores
phytoplankton and zooplankton
zooplankton eats phytoplankton
what is the ten percent rule
ten percent of energy is transferred to the next biomass level in the pyramid
in nature what do organisms compete for?
food shelter
scavengers
eat off of dead organisms
I eat primary consumers
secondary consumers
predators and prey
predators prey on other animals
the main source of energy for all living things
the sun
what is a habitat
natural place an organisms lives
herbivores
eat only plants
I am the top of the food chain
apex predator
primary consumers and secondary consumers
primary- eat plants
secondary- eat consumers
what do the arrows in a food chain represent?
the flow of energy from one organism to another
why is the base of the energy pyramid the largest
it has the most energy there