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Lesson 07 – Helping Each Other

Read About How Plants and Animals Help Each Other


Read the vocabulary terms to understand the reading better.

Carbon Dioxide

Carbon dioxide is a colourless gas found in the air and has a  faint odour.


Energy is the ability to do work or to make something move or change in some way.


Fertilizer is a chemical or natural substance added to soil or land to help it grow.


Manure comes from animal droppings and is a fertilizer that helps plants grow.


Oxygen is a colourless gas found in the air that is necessary for life.


Seeds are the part of the plant that can grow into a new plant.

Helping Each Other

Here are some ways that plants and animals help each other.

Plants provide food that gives animals energy. Animals eat food, then leave manure on the ground. Manure is a fertilizer that helps plants grow.

Plants grow fruits that animals eat. These fruits contain seeds. The seeds come out in the animal’s manure. The animals leave manure in different places. This helps seeds travel to different places.

Animals need oxygen, which is in air. Animals take in oxygen when they breathe. Animals breathe out carbon dioxide. This goes into the air.

Plants need the carbon dioxide that animals breathe out. Plants use the carbon dioxide to make their own food and release oxygen into the air.

Plants grow fruits that animals eat
Animal manure helps seeds travel to different places

Plants Help People

Plants help people, too. Here are a few examples:

  • People get energy from the plants they eat. People also eat animals that eat plants.
  • People need to breathe in the oxygen that plants make.
  • People make useful things from plants. Cotton is a plant used to make clothes. Many medicines come from plants. Trees provide wood for paper and to build furniture and houses.
Cotton plant

Now Show What You Know!

Complete some questions about the reading selection by clicking “Begin Questions” below.