Interdependence year 7

Which word describes plants?

• Consumers

• Secondary consumers

• Producers

• Herbivores

Which word(s) could describe animals?

• Consumers

• Secondary consumers

• Producers

• Herbivores

Koala bears only eat eucalyptus leaves. If the number of eucalyptus trees increased, what would happen to the number of koala bears over the next 10 years?

• It would increase

• It would decrease

• It would stay the same

If there was a fire and the number of eucalyptus leaves decreased, what would happen to the number of koala bears?

• It would increase

• It would decrease

• It would stay the same

If there was a decrease in the number of koalas dying from diseases, what would happen to the number of leaves on eucalyptus trees over the next year?

• It would increase

• It would decrease

• It would stay the same

Why do we place quadrats randomly in multiple places and take an average to measure populations of plants or animals?

• We are less likely to make a mistake

• Its a fairer test and we can pick out anomalies.

What is the independent variable in an investigation?

• The one you change to get results

• The one you keep the same for a fair test

• The one you measure

What is the dependent variable in an investigation?

• The one you change to get results

• The one you keep the same for a fair test

• The one you measure

What is the control variable in an investigation?

• The one you change to get results

• The one you keep the same for a fair test

• The one you measure

Why do more plants grow in fields than on the forest floor?

• There is less wind

• There is more water

• There is more light

• There is less competition