GCSE Biology – Ecology – 1 -Exam Style Questions with Answers

Who developed the ‘three-domain system’ of classification?

There are two forms of peppered moth, dark and pale.
Birds eat the moths when the moths are resting on tree bark.
Pollution in the atmosphere may:
•        kill lichens living on tree bark
•        make the bark of trees go black.
Lichens are very sensitive to air pollution caused by……………………………….

Brown trout are fish that kill and eat other animals.
Trout are predators, the animals they eat are their _____________________ .

The diagram below shows a food chain in a garden
What is the name given to all the snails in the garden shown in the diagram above?

The drawing shows a poison-dart frog.
The poison-dart frog moves mainly by jumping.
Use information from the drawing to suggest one way in which this frog is adapted for jumping.

The image below shows what the extinct Siberian rhinoceros (Elasmotherium sibiricum) might have looked like.
What is the genus of the Siberian rhinoceros?

The graph shows information about the yield of cereal crops grown in the European Union.
The increase in yield is partly due to increased use of nitrate fertilisers.
Which substance do plants make using nitrate ions?

The ‘three-domain system’ of classification places all living organisms in one of three domains.
Which domain was the Siberian rhinoceros in?

Living organisms are classified into the following groups:
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species
Which scientist first suggested this type of classification system?

The number of penguins can be used to monitor changes in temperature of the environment.
Temperature readings could also be taken using a thermometer.
What is the advantage of using penguins, instead of a thermometer, to monitor changes in temperature of the environment?