Ecology Flashcards
(29 cards)
ecosystem
Community of interacting organisms
biotic factor
living components of an ecosystem
abiotic factor
a nonliving condition or thing
organism
all living things
species
a group of organisms
population
the amount of species/organisms in a certain enviroment
community
an interacting group of many species
habitat
a natural home or enviroment
natural selection
where organism adapt to their enviroment helping survive and create offspring
evolution
the history of the world
autotrophs
creates own food
heterotrophs
depends on other things for food
Primary
feeds on primary producers, meaning plant life.
Secondary
EATS ONLY PLANTS
tertiary
Feeds only on secondary consumers. Carnivores
herbivores
Eats only plants
carnivores
Eats only meat
omnivores
Eats both
decomposers
Breaks things in the earth down
food chain
a series of organisms that are dependent on the one before it
foodweb
Interlocking and interdependent food chains
energy pyramid
Graphic model of energy flow in a community
carboncycle
Carbon and its compounds are interconverted into an enviroment
nitrogen cycle
nitrogen and its compounds are interconverted into an enviroment