Success Homeschool

Primary 4 Science · Food chains in Australian habitats

Name: ______________________

Date: ____________

1. In grass → grasshopper → frog → snake, which is the producer?
- ☐ (a) Grasshopper
- ☐ (b) Frog
- ☐ (c) Snake
- ☐ (d) Grass
2. What does the arrow in a food chain mean?
- ☐ (a) 'Is eaten by'
- ☐ (b) 'Is bigger than'
- ☐ (c) 'Lives next to'
- ☐ (d) 'Is faster than'
3. Where does almost all the energy in a food chain first come from?
- ☐ (a) The soil
- ☐ (b) The Sun
- ☐ (c) Water
- ☐ (d) The snake
4. In grass → grasshopper → frog → snake, which animal is a herbivore?
- ☐ (a) Frog
- ☐ (b) Snake
- ☐ (c) Grasshopper
- ☐ (d) None of them
5. If most frogs disappeared from that chain, what would probably happen to the grasshoppers?
- ☐ (a) They would increase
- ☐ (b) They would all disappear
- ☐ (c) They would turn into frogs
- ☐ (d) Nothing would change
6. An animal that eats both plants and animals is called an o________.
7. Living things that cannot make their own food and must eat other living things are called ____.
8. In seeds → mouse → owl, what does the owl eat?

Answer sheet

1. Grass — Grass makes its own food using sunlight, so it is the producer.
2. 'Is eaten by' — Arrows point from the food to the animal that eats it.
3. The Sun — Plants capture energy from sunlight to make food.
4. Grasshopper — The grasshopper eats only plants.
5. They would increase — With fewer frogs eating them, more grasshoppers would survive.
6. omnivore — Omnivores eat plants and animals.
7. consumers — Animals are consumers.
8. mouse — The arrow from mouse to owl shows the mouse is eaten by the owl.