Show:
Balanced Ecosystems
Organisms Interacting
Environments
Disturbing Ecosystem
Etc.
100
An Ecosystem is ______________ when all animals living in it have food.
What is balanced?
100
Populations ___________ for living space.
What is compete?
100
A gradual change from one community of organisms to another is known as _____________.
What is succesion?
100
Coal is a ____________ substance.
What is a valuable?
100
Plants also need ____________, if they don't have enough of this then the plants will not grow.
What is space?
200
What happens to one ____________affects the ____________.
What is population; community?
200
An organism that lives on or in another organism, helping itself but hurting the other organism.
What is a parasite?
200
Changes in ____________ may affect ecosystems.
What is climate?
200
Mining companies must ___________________.
What is replace rock and soil they took away?
200
What is the cause and effect of deer traveling in groups?
What is the deer travel in groups to protect themselves by getting attacked by wolves?
300
Plants need _________ from the soil, water and sunlight to grow.
What is minerals?
300
Parasites that live on or in another organism, is called a ___________.
What is a host?
300
The remains of dead plants and animals are called ________________.
What are fossils?
300
Substances that are very harmful to humans and other organisms are ______________.
What are hazardous wastes?
300
What are some things people have done to protect the environment?
What is created National Parks, lawas to protect the environment, conservation, recycling?
400
Organisms also need the right ___________ and ___________.
What is soil and temperature?
400
The ___________ protect the ____________.
What is fungi and algae?
400
Why do organisms become extinct?
What is they can't adapt to changes?
400
Why do humans have a great impact on the environment?
What is humans change the environment to meet their needs?
400
What happens when the number of organisms in a population increases?
What is they could not have enough food/die off/unbalanced?
500
What do all plants and animals need to live and grow?
What is water, food, shelter, sunlight, air, and space?
500
What are 2 behaviors that help animals avoid or reduce competition?
What is hunting at different times and traveling in groups?
500
What are 3 events that may change the land quickly?
What are fires, floods, hurricanes, tornadoes, volcanoes, earthquakes, volcanoes?
500
What human activities damage the environment?
What is pollution, cutting trees, clearing fields of crops, littering, etc.?