In this food web, what is the producer?

• Hawk

• Frog

• Mouse

• Grass

In this food web, how many apex predators are there?

• 1

• 2

• 3

• 4

In this food web, how many organisms are in the largest food chain?

• 10

• 5

• 4

• 3

In this food web, what organisms are competing for food?

• Fox & Snake

• Hawk & Snake

• Frog & Bird

• Grasshopper & Frog

In this food web, what happens if all the owls die? Choose all answers that apply.

• Fox numbers increase

• Frog numbers increase

• Grasshopper numbers decrease

• Snake numbers increase

In this food web, what organisms carry out respiration?

• Fox

• Rabbit

• Grass

• Every organism in the food web

What is anaerobic respiration?

• Releasing energy using oxygen

• Breathing in using oxygen

• Releasing energy without oxygen

• Breathing in without oxygen

Which of these substances fo plants excrete during photosynthesis?

• Oxygen

• Carbon Dioxide

• Water

• Glucose

An electric heater transfers

• Thermal enegry to electrical energy

• Electrical energy to thermal energy

• Electrical energy to chemical energy

• Thermal energy to mechanical energy

If bulb 1 (first row) breaks, then ...

• Bulb 2 also breaks

• Bulb 2 keeps working

• Bulb 1 makes a noise

• The battery breaks