Vocabulary
An environment that provides the things an organism needs to live, grow, and reproduce.
habitat
These organisms produce energy through photosynthesis or chemosynthesis.
autotrophs
Two or more organisms of the same species.
population
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
commensalism
The organism that a parasite lives in or on in a parasitism interaction.
host
Non-living factors in a community are called..
abiotic factors
These organisms are herbivores, therefore they are called ______________ consumers.
primary
Includes all of the area in which life is found on Earth.
biosphere
A relationship between two species in which one species benefits and the other is harmed.
parasitism
Something that only eats plants
herbivore
These organisms are typically at the top of the food chain. They are called ____________ consumers.
tertiary
A relationship between two species in which both species benefit.
mutualism
A carnivore that feeds on the bodies of dead organisms.
scavenger
An organism that breaks down wastes and dead organisms.
decomposer
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
energy pyramid
Two or populations of species.
community
An interaction in which one organism kills another for food.
predation
An organism that is killed and eaten by another organism.
prey
A series of events in which one organism eats another and obtains energy. Usually written on one line.
food chain
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
90%
Includes all of the living and non-living things in an area.
ecosystem
Two or more organisms competing for the same resource.
competition
Study of the interactions of living things and their environment.
ecology