Ecosystems revision

The arrow in a food chain shows

• what eats what

• producers and consumers

• the flow of energy

• the flow of food

All plants in an ecosystem can be classified as

• consumers

• herbivores

• omnivores

• producers

Another term for a producer is

• heterotroph

• autotroph

• omnivore

• herbivore

Reorder the following:

• producer

• tertiary consumer

• primary consumer

• secondary consumer

An organism that eats only plants

• omnivore

• herbivore

• carnivore

• autotroph

Identify a primary consumer for the food web shown

• grass

• snake

• hawk

• grasshopper

When a toxin builds up in an organism

• biomagnification

• bioaccumulation

When a toxin build up as you move up a food chain or food web

• bioaccumulation

• biomagnification

If there are 9000 kJ or energy in the plants, how much energy is in the grasshopper that eats the plants?

• 90 kJ

• 900 kJ

• 9000 kJ

• 9 kJ

Which has more energy in an energy pyramid?

• the producers

• the primary consumers

• the secondary consumers

• the tertiary consumers