Big Year 11 Knowledge Quiz

1. A _____ ______ is a "who eats whom" diagram that shows the complex feeding relationships in an ecosystem.

2. A __________ is an organism that creates its own energy through photosynthesis.

3. Which of the following are examples of decomposers?

• Fungi

• Beetle

• Earthworm

• Bacteria

4. Which of the following is a tertiary consumer?

• Minnow

• Owl

• Field Mouse

• Newt

5. What of following ecosystems does this describe: a vast, flat, region of Europe, Asia, and North America in which the subsoil is permanently frozen

• Polar

• Coniferous forest

• Steppe

• Tundra

6. What ecosystem is shown in the map?

• Coniferous forest

• Deciduous forest

• Mediterranean

• Tropical grassland

7. ________ __________ is the ecosystem shown in the map.

8. By removing the squid from the food web, the number of seaweed plants would ___________.

9. Ecosystems are very sensitive to change because the organisms within are closely linked, and are therefore _____________.

10. At the equator, what is the pressure of the atmosphere?

• High

• Low