Year 8 Quiz Ecosystems

What is a glacier period?

• A period of time where the temperature is warm.

• A period of time where the climate is dry.

• A period of time where the temperature is very cold.

• A period of time where the climate is tropical.

How do scientists know that glacier periods exsisted?

• The Peat Bog evidence

• The Rolling boulders evidence

• The fossils evidence

• all the above

The state of temperature, humidity, wind speed and precipitation over a long period of time is called.

• Weather

• Climate

• Meteorology

• Climatology

The study of the state of temperature, humidity, wind speed and precipitation over a long period of time is called.

• Weather

• Climate

• Meteorology

• Climatology

The term bioaccumulation refers to

• The process in which the concentration of chemicals increase as you go up the food chain.

• The process in which the effect of the concentration of chemicals increase as you go up the food chain.

• The process in which the chemical substances are reduced into their original components inside some living things.

• The type of plastics that cab be reduced into their original components inside some living things.

The term biomagnification refers to

• The process in which the concentration of chemicals increase as you go up the food chain.

• The process in which the effect of the concentration of chemicals increase as you go up the food chain.

• The process in which the chemical substances are reduced into their original components inside some living things.

• The type of plastics that cab be reduced into their original components inside some living things.

The term biodegradable refers to

• The process in which the concentration of chemicals increase as you go up the food chain.

• The process in which the effect of the concentration of chemicals increase as you go up the food chain.

• The process in which the chemical substances are reduced into their original components inside some living things.

• The type of plastics that cab be reduced into their original components inside some living things.

The term bioplastics refers to

• The process in which the concentration of chemicals increase as you go up the food chain.

• The process in which the effect of the concentration of chemicals increase as you go up the food chain.

• The process in which the chemical substances are reduced into their original components inside some living things.

• The type of plastics that cab be reduced into their original components inside some living things.

One of the following is a man-made ecosystem

• The mangrove forest

• The Sea Ice in the Arctic Ocean

• The Sonorian Desert

• The Rice paddies

One of the following ecosystems lives the kangaroo rat?

• The mangrove forest

• The Sea Ice in the Arctic Ocean

• The Sonorian Desert

• The Rice paddies