Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Ecology, Exercise 1: Exercise 1

Author:Aiden Gill, Heidi Foxford & Dorothy Warren

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

MEDIUM
Lower Secondary Stage 9
IMPORTANT

The figure below shows four living things in a grassland habitat.

Question Image

  • Grasshoppers eat grass
  • Snakes eat grasshoppers
  • Hawks eat snakes

Complete this food chain for the four living things shown.

Grass  _____  _____  _____

EASY
Lower Secondary Stage 9
IMPORTANT

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

EASY
Lower Secondary Stage 9
IMPORTANT

A food chain shows 'what eat whats'.

What does the arrow in the food chain represent?

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Juan says: 'All the energy in a food chain comes from the sun'.

Explain why this statement is true.

HARD
Lower Secondary Stage 9
IMPORTANT

The diagram below shows a food web.

Question Image

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.

MEDIUM
Lower Secondary Stage 9
IMPORTANT

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

EASY
Lower Secondary Stage 9
IMPORTANT

Choose two decomposers from the following:

EASY
Lower Secondary Stage 9
IMPORTANT

Explain how decomposers help plants.