Ecosystem Changes Quiz

Ecosystems change through the natural process of __________, where plants grow up and give way to more mature species.

• autumn

• extinction

• succession

• decomposition

Some ecosystems change from weather events, which includes all of the following EXCEPT:

• windstorms

• hurricanes

• volcanoes

• logging

When humans come in and cut or burn all the trees in an area, it is called:

• succession

• deforestation

• desertification

• pollution

When livestock are allowed to overgraze grasslands and/or rivers are diverted to farms and cities, this can cause ______.

• succession

• deforestation

• desertification

• pollution

When coral reefs are polluted and physically damaged by tourism, they can experience, coral _______.

• growth

• expansion

• bleaching

• happiness

Whole food webs in the ocean have been disrupted by ___________.

• over-fishing

• sky diving

• waterskiing

• lifeboats

Ocean pollution is a global crisis as sea animals are tangled or choke on the growing mass of floating ____.

• plastic bags

• fishing nets

• water bottles

• styrofoam

Ecosystems are being damaged by pollution from smokestacks, which mixes with moisture in the clouds to create ___.

• storms

• tornados

• acid rain

• hail

harmful material that can enter biosphere through the land, air, water

• pollutant
• ozone
• conservation
• demography

an area's climate changes and it gets LESS rainfall. what can happen?

• more hurricanes

• more forest fires

• floods

• more diseases