the study of the interactions between organisms and their environment.
all of the living things within an environment.
ex) plants, animals
Can you find them in this picture?
all of the non living factors within an environment.
ex) sunlight, soil, water, temperature
a group of animlas that are the same species living together in the same area. This is an example of a popluation of bison.
all of the populations of diffierent species living in the same area. Can you find some organisms that make up this pond community?
a community of organinisms including its abiotic environment
the part on earth where life exists.
organisms that can make their own food by using sunlight.
organisms that cannot make their own food and will neet to eat producers for energy.
a consumer that eats plants.
ex) praire dog
a consumer that eats animals.
a consumer that eats both plants and animals
animals that feed on the bodies of dead organisms.
shows how the energy in food molecules flows from one organism to the next. It shows only ONE path.
ex) Fox(carnivore) - Chipmink(herbivore) - grass(producer) - sunlight
Shows many energy pathways within an ecosystem. Many food chains make up a food web.
The pyramid represents energy. More energy is available at the base. The amount of energy is reduced at higher levels because most of the energy is used by the organism or given off as heat.
the environment in which an organism lives.
an organism's way of life within an ecosystem.