Download The study of how living things interact with nature Biotic The living

Ecology
The study of how living things interact
with nature
Biotic
The living parts of the environment
abiotic
Non Living parts of the environment
population
All of the members of a species in an
area
community
All of the different organisms in an
ecosystem
ecosystem
A community of organisms and their
environment.
biosphere
All of the living space on earth.
herbivore
An animal that eats only plants
carnivore
An animal that eats only other animals
omnivore
An animal that eats plants and animals
food chain
A diagram showing how energy passes
from one organism to the next
food web
A diagram showing all of the connected
food chains in an ecosystem
energy pyramid
A diagram showing how energy
decreases as it goes up a food chain.
carrying capacity
The maximum number of organisms of
a species an ecosystem can hold
prey
An organism that is hunted for food
predator
An organism that hunts others for food
symbiosis
A relationship where two different
specieslive closely and interact often.
mutualism
A type of symbiosis is when two species
help each other.
commensalism
A type of symbiosis when one species
benefits from another but the second
species isn’t affected
Competition
When two organisms fight over the
same resources
parasitism
A type of relationship where one
organism benefits while harming the
other organism.
coevolution
When a relationship between two
species causes them both to adapt.
decomposition
When dead organisms break down into
simpler chemicals
combustion
When a material is burned
decomposer
An organism that breaks down material
in dead organisms.
succession
When a destroyed ecosystem recovers
pioneer species
The first species to return to a
destroyed ecosystem
biome
A large group of similar ecosystems
with similar climate and similar
organisms
savanna
A hot dry grassland with large herds
and a few trees. Found in africa
desert
A hot and dry biome with very little
water.
tundra
A very cold and very dry biome where
parts of the ground are permanently
frozen.
plankton
An organism that acts as a producer for
marine ecosystems.
estuary
A area where freshwater and saltwater
mix.
wetland
An ecosystem that is frequently flooded
and has very wet soil.
Biodiversity
Large different organisms