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Vocabulary
Balanced Ecosystems
Interact with ecosystems
Changing enviroments
People and Nature
100
no longer living, as an entire species, or no longer active, as a volcano
What is extinct
100
All animals and plants need to live and grow.
What is food, water, living space, shelter, light, air, and the right soil
100
an animals habit is distroyed
What is he moves to a different area, dies, or adapts.
100
the number of foxes would decrease
What is all the rabbits died
100
building homes does this
What is disturbs the balance of an ecosystem
200
a species whose population has been reduced to such small numbers that it is in danger of becoming extinct
What is endangered?
200
happens when the number of organisms in a population increases.
What is the population needs more food, water, and living space. The population may use up many of these recources.
200
The desert was once a lake or sea
What is the scienctist found a fish fossil in the desert
200
succession
What is gradual change from one community to another
200
mining companies can replace soil
What is damage from strip mines be repaired
300
substances that are very harmful to humans and other organisms
What is hazardous waste?
300
why do chipmucks in the Smokey Mountains survive?
What is their needs are met
300
one animal hunts at night the other during the daytime
What is the animals are able to succeed and compete for food
300
hurricanes, floods, fires, earthquakes, volcanic eruptions
What is rapid change to an ecosystem
300
to preserve nature's beauty and habitats of plants and animals
What is United States National Parks
400
When two or more species in an ecosystem must use the same limited resources.
What is competition?
400
Decribe a balanced ecosystem
What is no animal or plant drives out another animal or plant
400
Yellowstone National Park
What is first national park in the United States
400
a process that changes an enviroment over a very long period of time besides succession
What is climate
400
humans, like all organisms, get what they need to survive from the environment. Humans are able to change large parts of the enviroment to get food, shelter, and water. They also affect ecosystems with wastes from the products they make and use.
What is humans have a great impact on the enviroment
500
The organism that is harmed is the...
What is host?
500
a meadow needs more foxes that eat rabbits
What is the meadow has too many rabbits
500
Okefenokee National Wildlife Refuge
What is refuge in Georgia
500
Saguaro National Park
What is a desert that is home to many species of plants and animals
500
substances that are very harmful to humans and other organisms.
What is hazardous wastes.