---
title: In a pond, algae → tadpoles → small fish → heron. Which is the produ… — Food chains and food webs · tree and pragmatics
description: In a pond, algae → tadpoles → small fish → heron. Which is the producer? Test 1 · ★ of lesson 26 «Food chains and food webs» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 1 · ★ · Food chains and food webs

<!-- .ven lang=en -->
In a pond, algae → tadpoles → small fish → heron. Which is the producer?

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**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** be · **To what, where:** producer

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This is test 1 · ★ of lesson 26 «Food chains and food webs» of the world course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/world/26-food-chains-and-webs/#t1).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a pond, algae → tadpoles → small fish → heron.

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:1
# text = In a pond, algae → tadpoles → small fish → heron.
1	In	in	ADP	IN	_	3	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	pond	pond	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	5	punct	_	_
5	algae	alga	NOUN	NNS	Number=Plur	3	nmod	_	_
6	→	→	ADP	IN	_	7	case	_	_
7	tadpoles	tadpole	NOUN	NNS	Number=Plur	5	nmod	_	_
8	→	→	ADP	IN	_	10	case	_	_
9	small	small	ADJ	JJ	Degree=Pos	10	amod	_	_
10	fish	fish	NOUN	NN	Number=Sing	7	nmod	_	_
11	→	→	SYM	SYM	_	12	punct	_	_
12	heron	heron	NOUN	NN	Number=Sing	10	conj	_	SpaceAfter=No
13	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

<!-- .note -->
*Sentence 2:* Which is the producer?

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:2
# text = Which is the producer?
1	Which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	producer	producer	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | the producer |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The small fish

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:o1:1
# text = The small fish
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	small	small	ADJ	JJ	Degree=Pos	3	amod	_	_
3	fish	fish	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
The algae

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:o2:1
# text = The algae
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	algae	alga	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
The heron

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:o3:1
# text = The heron
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	heron	heron	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
The tadpoles

```conllu
# sent_id = question:world:26-food-chains-and-webs:t1:o4:1
# text = The tadpoles
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	tadpoles	tadpole	NOUN	NNS	Number=Plur	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Life cycles, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/25-life-cycles/e4/)
- next →: [Food chains and food webs, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/t2/)
- ↑ back to [Food chains and food webs](https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/)