Changes in Ecosystems

The ability to stay alive is called ______.

• extinct
• survival
• pollution
• accommodation

An animal or plant that has none left of its kind is _____________

• survival
• accommodation
• extinct
• endangered

An animal or plant that has very few left of its kind is ______.

• endangered
• accommodation 
• extinct
• survival

An individual organism's response to change is called 

• survival
• accommodation
• endangered
• extinct

When humans cause  _______________ living things get sick and can even raise the temperatures o the Earth.

• accommodation
• survival
• extinction
• pollution

Ecosystems change when biotic or abiotic factors change. Ecosystems are always ----------.

• nice
• changing
• cold
• hot

Plants and animals have a difficult time ____________ because of changes in the ecosystems.

• surviving
• eating
• changing
• moving

A hurricane is an example of a ___________ change that affects ecosystems.

• human
• law
• weather
• biotic

Rising temperatures on Earth are caused by ________.

• humans
• habits
• animals
• pollution

To survive changes in the ecosystem, animals must change their behaviors and _______________.

• habits
• fur