Ecology

What's in the picture?

• rubber

• dog

• rubbish

• endangered species

endangered animal species are listed in:

• blue list

• black list

• red square

• red list

car fumes releases ____ into the atmosphere

• dinitrogen tetroxide

• carbon dioxide

• deoxyribonucleic acid

• carbon-kevlar shell

A synonym for the word "balance" is:

• equilibrium

• environment

• entertainment

• cash

which picture shows "protect the environment"?

• 
• 
• 
• 

A " ____ " refers to the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism

• food chain

• ecosystem

• greenhouse effect

• human impact

What's in the picture?

• goat

• ship

• sheep

• shield