Vocabulary
Key Concepts
Biodiversity
How Ecosystems Clean Earth's Water Article
Miscellaneous
100
A part of something to show what the whole is like.

What is sample?

100

Within a population, organisms are always being ____ /_____

What is born and dying?

100

For a(n) _______ to be healthy, it has to have lots of different kinds of plants and animals.

What is an ecosystem?

100

________ are finely tuned systems in which organisms and the nonliving things around them interact. 

What are ecosystems?

100

The largest ecosystem in the world.

What is the ocean/sea?

200

A group of the same type of organism living in the same area

What is a population?

200

A system can be _____ even as things are being added and removed.

What is stable?

200

All living things depend on _______.

What is other living things?

200

_______ is a word that ecologists use to describe how much variety there is in an ecosystem.

What is biodiversity?

200

The percent of the world covered by water.

What is 75%/71%

300

All living and nonliving things in a particular area. 

What is an ecosystem?

300

If the amount added or removed is not equal the system will _____.

What is change?

300

The best way to wipe out a species is to______.

What is remove it from its natural environment?

300

True or False: Healthy ecosystems are not useful to humans 

What is false?

300

The honeybee population is ___________.

What is decreasing?

400

When something stays mostly the same over time. 

What is stability?

400

If there are more births than deaths in a given time, then the size of the population will _____.

What is increase?

400

____ of all the species in the world live in the ocean.

What is 2/3?

400

________ are ecosystems that exist in some areas where land and water meet.

What are wetlands?

400

One sign of a healthy ecosystem is its ______________.

What is biodiversity?

500

Anything with parts that interact to make a whole.

What is a system?

500

If there are fewer births than deaths, then the size of the population will ______.

What is decrease?

500

Recycle, leave nature in nature, plant/garden, stay on trail during hikes, don't put harmful chemicals into storm drains. 

What are things you can do to increase biodiversity?

500

Healthy ecosystems can _____ water for humans.

What is filter?

500

Any animal that is tiny and drifts through the water is considered _________.

What is zooplankton?