---
title: What would happen to animals if all plants and algae disappeared? — How plants make their food · tree and pragmatics
description: What would happen to animals if all plants and algae disappeared? Test 7 · ★ of lesson 22 «How plants make their food» 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.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/22-photosynthesis/t7/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [How plants make their food](https://md.mova.elamur.ai/free/en/corpora/questions/world/22-photosynthesis/) / t7

# Test 7 · ★ · How plants make their food

<!-- .ven lang=en -->
What would happen to animals if all plants and algae disappeared?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **Who acts:** plants · **What happens:** happen, disappear

<!-- .vabout -->
This is test 7 · ★ of lesson 22 «How plants make their food» 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/22-photosynthesis/#t7).

## The question {#question}

```conllu
# sent_id = question:world:22-photosynthesis:t7:1
# text = What would happen to animals if all plants and algae disappeared?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	5	case	_	_
5	animals	animal	NOUN	NNS	Number=Plur	3	obl	_	_
6	if	if	SCONJ	IN	_	11	mark	_	_
7	all	all	DET	DT	PronType=Tot	8	det	_	_
8	plants	plant	NOUN	NNS	Number=Plur	11	nsubj	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	algae	alga	NOUN	NNS	Number=Plur	8	conj	_	_
11	disappeared	disappear	VERB	VBN	Tense=Past|VerbForm=Part	3	advcl	_	SpaceAfter=No
12	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  | to animals | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **disappear** *a condition, not said to happen* | participle | all plants and algae |  |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Nothing, animals make their own food

```conllu
# sent_id = question:world:22-photosynthesis:t7:o1:1
# text = Nothing, animals make their own food
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	3	compound	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	animals	animal	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
6	own	own	ADJ	JJ	Degree=Pos	7	amod	_	_
7	food	food	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Nothing animals | animals's own food |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent food=Product |

### Option 2 {#o2}

<!-- .ven lang=en -->
They would eat soil instead

```conllu
# sent_id = question:world:22-photosynthesis:t7:o2:1
# text = They would eat soil instead
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	eat	eat	VERB	VB	VerbForm=Inf	0	root	_	_
4	soil	soil	NOUN	NN	Number=Sing	3	obj	_	_
5	instead	instead	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | would | They | soil |  |  |  | instead *property* | vn eat-39.1-1 «NP V NP»: agent=Agent soil=Patient |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
They would breathe carbon dioxide

```conllu
# sent_id = question:world:22-photosynthesis:t7:o3:1
# text = They would breathe carbon dioxide
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	breathe	breathe	VERB	VB	VerbForm=Inf	0	root	_	_
4	carbon	carbon	NOUN	NN	Number=Sing	5	compound	_	_
5	dioxide	dioxide	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **breathe** | would | They | carbon dioxide |  |  |  |  | vn breathe-40.1.2-1 «NP V NP»: agent=Agent dioxide=Theme |

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

<!-- .ven lang=en -->
They would run out of food and oxygen

```conllu
# sent_id = question:world:22-photosynthesis:t7:o4:1
# text = They would run out of food and oxygen
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	run	run	VERB	VB	VerbForm=Inf	0	root	_	_
4	out	out	ADP	IN	_	6	case	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	food	food	NOUN	NN	Number=Sing	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	oxygen	oxygen	NOUN	NN	Number=Sing	6	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **run** | would | They |  |  | food and oxygen |  |  | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme out food=Trajectory |

<!-- div src -->

**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.

<!-- /div -->

<!-- pn -->
- ← previous: [How plants make their food, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/world/22-photosynthesis/t6/)
- next →: [How plants make their food, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/world/22-photosynthesis/t8/)
- ↑ back to [How plants make their food](https://md.mova.elamur.ai/free/en/corpora/questions/world/22-photosynthesis/)