Ecosystems worksheet for 5th grade - Free Printable

Let's solve the problem step by step.

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Step 1: Fill in the blanks in the text

We are given a list of words to use:
- forests
- Ocean
- Sea
- terrestrial
- water

Now, let’s read the passage and fill in the gaps logically.

> Did you know that in the Toruños Park there are different types of ecosystems?

> On the one hand, we have terrestrial ecosystems, such as dunes or pine forests.
> (Pine forests are a type of terrestrial ecosystem — this fits perfectly.)

> However, terrestrial ecosystems are less dominant than aquatic ecosystems (70% of the land is water).
> (This sentence is just context — no gap here.)

> In addition to this, aquatic ecosystems are usually larger (oceans, seas, lakes...) than terrestrial. Near Los Toruños we have the Atlantic Ocean, which is larger than the Mediterranean Sea.
> (The Atlantic Ocean is indeed larger than the Mediterranean Sea — correct geographical fact.)

> The main difference between one ecosystem and the other is that in terrestrial ecosystems animals and plants live on land, while in aquatic ecosystems they are adapted to water.
> (Makes sense: "terrestrial" means land-based; "water" is the environment in aquatic ecosystems.)

> In both there is a great diversity of flora and fauna, and they are very important for the regulation of the planet's climate.

✔ So, the completed text with filled gaps:

> On the one hand, we have terrestrial ecosystems, such as dunes or pine forests. However, terrestrial ecosystems are less dominant than aquatic ecosystems (70% of the land is water). In addition to this, aquatic ecosystems are usually larger (oceans, seas, lakes...) than terrestrial. Near Los Toruños we have the Atlantic Ocean, which is larger than the Mediterranean Sea.
> The main difference between one ecosystem and the other is that in terrestrial ecosystems animals and plants live on land, while in aquatic ecosystems they are adapted to water. In both there is a great diversity of flora and fauna, and they are very important for the regulation of the planet's climate.

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Step 2: Complete the Venn Diagram

We need to compare Terrestrial and Aquatic ecosystems.

Let’s think about what belongs in each section:

#### Only Terrestrial:
- Animals and plants live on land.
- Examples: forests, deserts, grasslands, mountains.
- Soil-based roots, breathing air, etc.

#### Only Aquatic:
- Life exists in water.
- Examples: oceans, lakes, rivers, coral reefs.
- Adaptations like gills, fins, buoyancy.

#### Both (Overlap):
- Both have diversity of flora and fauna.
- Both help regulate Earth's climate (e.g., carbon cycling, oxygen production).
- Both support food chains.
- Both include producers (plants/algae), consumers, decomposers.

So, we can complete the Venn diagram as follows:

```
Terrestrial Aquatic
------------------ ------------------
| | | |
| - Forests | | - Oceans |
| - Dunes | | - Seas |
| - Grasslands | | - Lakes |
| - Mountains | | - Rivers |
| | | |
------------------ ------------------
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\ /
\/
(Shared Features)
- High biodiversity
- Important for climate regulation
- Contain producers, consumers, decomposers
- Support food webs
```

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✔ Final Answer Summary:

#### Filling the Gaps:
1. pine forests
2. Atlantic Ocean
3. Mediterranean Sea
4. terrestrial
5. water

#### Venn Diagram:

- Terrestrial only: forests, dunes, grasslands, mountains, etc.
- Aquatic only: oceans, seas, lakes, rivers, etc.
- Both: biodiversity, climate regulation, food chains, presence of producers/consumers/decomposers.

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This activity teaches students the key differences and similarities between terrestrial and aquatic ecosystems using real-world examples and visual representation.