How can we help?

You can also find more resources in our Help Center.

Life Science Chapter 22

Science
STUDY
PLAY
food chain
(ecology) a community of organisms where each member is eaten in turn by another member
decomposer organisms
produce enzymes that break down proteins, starches, lipids, and almost every other known organic substance
food web
(ecology) a community of organisms where there are several interrelated food chains
ecologic pyramid
See trophic pyramid.
herbavore
plant eater
carnivore
any animal that feeds on flesh
parasites
an organism that lives in or on another organism, deriving nourishment at the expense of its host, usually without killing it
biomass
the total mass of living matter in a given unit area
omnivore
an animal that feeds on both animal and vegetable substances
preditor
An animal thats eats another animal
prey
animal hunted or caught for food
independent organism
An organism that exists without the aid of other members of the same species
animal society
is a group of related animals of the same species that interact closely and often cooperate with one another.
social insect
an insect that lives in a large community, such as an ant or a bee
competition
the act of competing as for profit or a prize
commensalism
the relation between two different kinds of organisms when one receives benefits from the other without damaging it
scavenger
any animal that feeds on refuse and other decaying organic matter
epiphyte
plant that derives moisture and nutrients from the air and rain
mutation
a change or alteration in form or qualities