---
title: Identify the direction indicated by the arrows of a food chain. — Food chains and food webs · tree and pragmatics
description: Identify the direction indicated by the arrows of a food chain. Exam question 2 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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# Exam question 2 · Food chains and food webs

<!-- .ven lang=en -->
Identify the direction indicated by the arrows of a food chain.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you · **What happens:** identify, indicate · **To what, where:** direction

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This is exam question 2 of lesson 26 «Food chains and food webs» of the world course of Mova's primary school, asked in stiff, formal language. 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/#e2).

## The question {#question}

```conllu
# sent_id = question:world:26-food-chains-and-webs:e2:1
# text = Identify the direction indicated by the arrows of a food chain.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	direction	direction	NOUN	NN	Number=Sing	1	obj	_	_
4	indicated	indicate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	arrows	arrow	NOUN	NNS	Number=Plur	4	obl	_	_
8	of	of	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	food	food	NOUN	NN	Number=Sing	11	compound	_	_
11	chain	chain	NOUN	NN	Number=Sing	7	nmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the direction |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent direction=Theme |
| 2 | **indicate** | participle |  | the direction *not said here* |  |  |  | by the arrows of a food chain | vn indicate-78-1 «NP V how S»: agent=Pivot |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
From the predator to its prey

```conllu
# sent_id = question:world:26-food-chains-and-webs:e2:o1:1
# text = From the predator to its prey
1	From	from	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	predator	predator	NOUN	NN	Number=Sing	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	prey	prey	NOUN	NN	Number=Sing	3	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
From the largest animal to the smallest

```conllu
# sent_id = question:world:26-food-chains-and-webs:e2:o2:1
# text = From the largest animal to the smallest
1	From	from	ADP	IN	_	4	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	largest	large	ADJ	JJS	Degree=Sup	4	amod	_	_
4	animal	animal	NOUN	NN	Number=Sing	7	obl	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	smallest	small	ADJ	JJS	Degree=Sup	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
From the decomposer to the producer

```conllu
# sent_id = question:world:26-food-chains-and-webs:e2:o3:1
# text = From the decomposer to the producer
1	From	from	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	decomposer	decomposer	NOUN	NN	Number=Sing	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	producer	producer	NOUN	NN	Number=Sing	3	nmod	_	_
```

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

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
From the thing eaten to the thing that eats it

```conllu
# sent_id = question:world:26-food-chains-and-webs:e2:o4:1
# text = From the thing eaten to the thing that eats it
1	From	from	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	thing	thing	NOUN	NN	Number=Sing	0	root	_	_
4	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	thing	thing	NOUN	NN	Number=Sing	4	obl	_	_
8	that	that	PRON	WDT	PronType=Rel	9	nsubj	_	_
9	eats	eat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
10	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | participle |  | the thing *not said here* |  |  |  | to the thing | vn eat-39.1-1 «NP V»: agent=Agent |
| 2 | **eat** | present | the thing | thing |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent it=Patient |

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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: [Food chains and food webs, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/e1/)
- next →: [Food chains and food webs, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/e3/)
- ↑ back to [Food chains and food webs](https://md.mova.elamur.ai/free/en/corpora/questions/world/26-food-chains-and-webs/)