Food chains and webs | 3rd grade, 4th grade Science Worksheet ... - Free Printable

Let’s solve this step by step.

We are given a table with three columns:
- First make food → These are plants (producers)
- Herbivore eats plant → These eat only plants
- Carnivore eats herbivore → These eat animals that ate plants

We need to fill in the blanks using the pictures and names provided below the table.

Looking at the images:

1. Grass – This is a plant → goes under “First make food”
2. Oak leaf – Also a plant → also goes under “First make food”
3. Caterpillar – Eats leaves (plants) → so it’s a herbivore → goes under “Herbivore eats plant”
4. Thrush – A bird that eats caterpillars (which are herbivores) → so thrush is a carnivore → goes under “Carnivore eats herbivore”
5. Fox – Eats rabbits or other small animals → but we don’t have rabbit here, but fox can eat birds like thrush? Wait — let’s check what’s available.
Actually, looking again: The science investigation says “Draw a food chain that shows a producer, a herbivore, and a carnivore.” So we’re building simple chains from the options.

But for the table, we just need to sort the organisms into the right category based on what they eat.

Let’s list all the organisms shown:

From top row of images:
- Fox
- Thrush
- Caterpillar
- Robin

From bottom row:
- Frog
- Oak leaf
- Grass
- Human
- Cow

Wait — actually, looking carefully at the layout:

The table has 3 rows (including headers). Under each column, there are blank spaces.

Under “First make food”: two blanks → should be plants → Grass and Oak leaf

Under “Herbivore eats plant”: two blanks → should be animals that eat plants → Caterpillar (eats leaves), Cow (eats grass)

Under “Carnivore eats herbivore”: two blanks → should be animals that eat herbivores → Fox (eats cows? Not really, but in simplified food chains, sometimes foxes eat rodents or birds; but here maybe Thrush? Wait — Thrush eats caterpillars → yes! And Robin? Robins eat worms or insects — could be carnivore too. But let’s see what fits best.

Actually, let’s use common knowledge:

- Grass → producer
- Oak leaf → producer
- Caterpillar → eats oak leaf → herbivore
- Cow → eats grass → herbivore
- Thrush → eats caterpillar → carnivore
- Fox → might eat rabbit or bird — but since we don’t have rabbit, perhaps fox eats thrush? Or maybe not. Alternatively, frog eats insects — but no insect shown except caterpillar. Hmm.

Wait — look at the image labels:

In the picture section, we have:

Top row left to right: Fox, Thrush, Caterpillar, Robin
Bottom row: Frog, Oak leaf, Grass, Human, Cow

So total organisms to classify:

Plants: Grass, Oak leaf → go under “First make food”

Herbivores: Caterpillar (eats oak leaf), Cow (eats grass) → go under “Herbivore eats plant”

Carnivores: Fox (could eat cow? Unlikely, but in some contexts... better to think: Thrush eats caterpillar → carnivore; Robin eats worms/insects → carnivore; Frog eats insects → carnivore; Human eats both → omnivore, but if forced, maybe put in carnivore? But usually humans are separate.)

But the table only has 2 slots per column.

Looking back at the worksheet — it seems designed for young students, so likely expects:

First make food: Grass, Oak leaf
Herbivore eats plant: Caterpillar, Cow
Carnivore eats herbivore: Thrush, Fox (assuming fox eats something that ate plants — e.g., if fox eats rabbit, and rabbit eats grass — but rabbit isn't shown. Alternatively, maybe Thrush and Robin?)

Wait — another way: Look at the Science Investigation box — it says draw a food chain with producer, herbivore, carnivore. Example could be: Grass → Cow → Human? But human is omnivore.

Perhaps simplest:

Use:

First make food: Grass, Oak leaf
Herbivore eats plant: Caterpillar, Cow
Carnivore eats herbivore: Thrush (eats caterpillar), Fox (maybe eats cow calf? Or accept as general carnivore)

But let's check standard answers for such worksheets.

Alternatively, notice that in many UK primary school worksheets (this looks like one), they often use:

Producers: Grass, Oak tree (leaf represents tree)
Herbivores: Caterpillar, Cow
Carnivores: Thrush, Fox

Yes, that makes sense.

Also, Robin might eat seeds too — so maybe not pure carnivore. Frog eats insects — but no insect besides caterpillar shown. So safest:

Fill the table as:

First make food: Grass, Oak leaf
Herbivore eats plant: Caterpillar, Cow
Carnivore eats herbivore: Thrush, Fox

That uses six distinct organisms and fits the categories.

Now, double-check:

- Grass → makes its own food → correct
- Oak leaf → part of oak tree → makes own food → correct
- Caterpillar → eats oak leaf → herbivore → correct
- Cow → eats grass → herbivore → correct
- Thrush → eats caterpillar → carnivore → correct
- Fox → in many simplified chains, fox is top predator eating herbivores → acceptable

Other animals like Frog, Robin, Human are extra — probably distractors or for extension.

So final answer for filling the table:

First make food: Grass, Oak leaf
Herbivore eats plant: Caterpillar, Cow
Carnivore eats herbivore: Thrush, Fox

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Final Answer:
First make food: Grass, Oak leaf
Herbivore eats plant: Caterpillar, Cow
Carnivore eats herbivore: Thrush, Fox