Living Things Change Their Environments
To use something again...
What is to resuse!
A natural disaster that happens when water covers dry land...
What is a flood!
A big (fluffy) animal that lived years ago but became extinct was...
What were mammoths!
Something that helps organisms survive (food, water, air)...
What are resources!
Can be caused by bacteria or mold...
What is a disease!
A time with large ice sheets that covered the land was...
What was the Ice Age!
To use less of something...
What is to reduce!
When there is a long period with no rain it is called...
What is a drought!
The remains of plants or animals that lived long ago are called...
What are fossils!
A harmful materials that damage the air, water and land...
What is pollution!
When an organism has only a few living members of its population it is called...
What is endangered!
A type of tree that is extinct because of disease and dry weather...
What is the St. Helena Olive Tree!
The struggle for survival among living things...
What is competition!
All living things in an ecosystem are called a...
What is a community!
A living thing that has no more of its kind alive is...
What is extinct!