Unit 7 Life Science Flashcards
food chain
the ways in which the organisms in an ecosystem interact with one another according to what they eat
food web
shows the interactions among different food chains in a single ecosystem
producer
organisms that make their own food (plants)
photosynthesis
the process by which plants use the energy from the sun to make their own food.
consumer
organisms that eat plants or animals to obtain energy
decomposer
consumer that breaks down the tissues of dead organisms
habitat
the environment where members of a population live (forest, desert, ocean)
biome
a large scale ecosystem
niche
the role of a population in a habitat
individual
a single organism in an environment
population
individuals of the same kind living in the same environment
community
is made up of many different populations
interdependence
the relationship between living and nonliving things that help maintain a balance that will support life in an ecosystem
overpopulation
too much population
instinctive behavior
an inherited behavior response that cannot be learned
