Download ecology the study of how organisms interact with each other and

ecology
the study of how organisms interact with each
other and their environment
organism
a living thing
habitat
place where an organism lives and can find the
resources it needs to survive
biotic factors
living parts of a habitat such as animals and plants
abiotic factors
non-living parts of a habitat such as water,
sunlight, oxygen, temperature and soil
photosynthesis
food-making process for plants
chlorophyll
green pigment
stomata
holes in the leaf where carbon dioxide enters
blade
flat part of a leaf
petiole
stalk of a leaf
margin
outside edge of a leaf
midrib
central vein of a leaf
population
all the members of one species in a particular area
limiting factor
an environmental factor that causes a population to
decrease (food, water, space)
competition
the struggle between organisms to survive as they
attempt to use the same limited resource
predation
when one organism kills another
predator
the organism that does the killing
prey
the organism that is killed
producer
an organism that makes its own food
consumer
an organism that obtains energy by feeding on
other organisms
herbivore
consumer that eats only plants
carnivore
consumer that eats only animals
omnivore
consumer that eats both plants and animals
scavenger
a carnivore that feeds on the bodies of dead
organisms
decomposer
break down wastes and dead organisms returning
materials to the ecosystem
food chain
series of events in which one organism eats
another to obtain energy
food web
many overlapping food chains in an ecosystem
energy pyramid
a diagram showing the amount of energy (10%)
that moves from one feeding level to another in a
food web
biome
areas with similar climates, plants and animals
estuary
where fresh water of a river meets with salt water
of an ocean