What Is an Ecosystem?

Week 18 • Monday • Life Science

📖 Reading Time

Last week we learned about habitats. This week we go deeper. An ecosystem is a habitat plus all the living things in it. It also includes non-living things like sun, water, air, and soil.

In an ecosystem, everything works together. Plants use sunlight to make their own food. We call plants producers because they produce, or make, food.

Animals cannot make their own food. They must eat plants or other animals. We call animals consumers because they consume, or eat, food.

Living things in an ecosystem depend on each other. A rabbit needs grass to eat. A bee needs flowers for nectar. Flowers need bees to spread pollen. A bird needs a tree for its nest. Everything is connected!

✏️ Reading Questions

1. What is an ecosystem?

2. Why are plants called producers?

3. Why are animals called consumers?

4. Name one way two living things depend on each other.

📝 Vocabulary Grid

Write what each word means in your own words.

ecosystem
producer
consumer
depend
living
non-living

Parts of an Ecosystem

Week 18 • Monday • Page 2

🔍 Sort It Out

Sort these into the chart: oak tree, sunlight, rabbit, rock, grass, water, fox, soil, flower, air

Producers (plants)Consumers (animals)Non-Living Things

✏️ True or False

StatementTF
An ecosystem has living and non-living parts.TF
Animals are producers.TF
Plants use sunlight to make food.TF
Living things depend on each other.TF
Soil and water are living things.TF
A consumer eats plants or other animals.TF

🎨 Drawing

Draw one example of each ecosystem part.

A producer

A consumer

A non-living thing

🧠 Think About It

How does a bee depend on a flower? How does a flower depend on a bee?

Everything Is Connected

Week 18 • Monday • Page 3

✏️ Fill in the Blanks

Word Bank:

ecosystem producers consumers sunlight depend non-living

1. A habitat plus all its living things is an ________________.

2. Plants are ________________ because they make their own food.

3. Animals are ________________ because they eat food.

4. Plants need ________________ to make food.

5. Sun, water, air, and soil are ________________ things.

6. Living things ________________ on each other to survive.

🔍 Who Depends on Who?

Finish each sentence in the chart.

Living ThingWhat It Depends OnWhy
rabbit
bird
flower
YOU

🧠 Challenge

What are two ways you depend on plants every day?

📓 Science Journal

Write one new thing you learned about ecosystems today.