Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Ecology, Exercise 1: Exercise 1
Aiden Gill Science Solutions for Exercise - Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Ecology, Exercise 1: Exercise 1
Attempt the practice questions on Chapter 3: Ecology, Exercise 1: Exercise 1 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Workbook solutions are prepared by Experienced Embibe Experts.
Questions from Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Ecology, Exercise 1: Exercise 1 with Hints & Solutions
The figure below shows four living things in a grassland habitat.
- Grasshoppers eat grass
- Snakes eat grasshoppers
- Hawks eat snakes
Complete this food chain for the four living things shown.
Grass

Which type of organism uses the Sun's energy to make its own food?

A food chain shows 'what eat whats'.
What does the arrow in the food chain represent?

Juan says: 'All the energy in a food chain comes from the sun'.
Explain why this statement is true.

The diagram below shows a food web.
a) Use the food web to draw a food chain that has four trophic levels.
b) All the frogs in the food web die of a disease. Explain what will happen to the size of the population of snails.

Not all of the biomass from one organism will get to the animal at the next trophic level. Explain why.

Choose two decomposers from the following:

Explain how decomposers help plants.
