Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
host
|
the organism a patrasite lives in or on
|
|
natural resource
|
a material on Earth that is necessary or usefull to people
|
|
renewable resource
|
a resource that can be replaced or used over and over again.
|
|
nonrenewable resource
|
a resource that cannot be reused or replaced in a useful amount of time
|
|
pollution
|
what happens when harmful substances get into water, air or land
|
|
reduce
|
to make less of something
|
|
reuse
|
to use something again
|
|
recycle
|
to treat something so it can be used again
|
|
ecosystem
|
all the living and nonliving things in an environment
|
|
community
|
all the living things in an ecosystem
|
|
population
|
all the members of a certain type of living thing in an area
|
|
habitat
|
a place where a plant or animal naturally lives and grows
|
|
producer
|
an organism that makes its own food
|
|
consumer
|
an organism that eats producers or other consumers
|
|
food chain
|
a series of organisms tha depend on one another for food
|
|
decomposer
|
an organism that breaks down dead plant and animal material
|
|
food web
|
several food chains that are connected
|
|
energy pyramid
|
a diagram that shows how energy is used in an ecosystem
|
|
carbon dioxide and oxygen cycle
|
the exchange of gases between producers and consumers
|
|
parasite
|
an organism that lives in or on another organism
|