---
title: Identify the principal cause of the phenomenon designated coral blea… — The future of life: de-extinction, cli… · tree and pragmatics
description: Identify the principal cause of the phenomenon designated coral bleaching. Exam question 2 of lesson 297 «The future of life: de-extinction, climate, coral and frozen zoos» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mov
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/e2/)

<!-- 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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [The future of life: de-extinction, cli…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/) / e2

# Exam question 2 · The future of life: de-extinction, climate, coral and froz…

<!-- .ven lang=en -->
Identify the principal cause of the phenomenon designated coral bleaching.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** you, principal cause · **What happens:** identify, designate, cause · **To what, where:** coral bleaching, phenomenon

<!-- .vabout -->
This is exam question 2 of lesson 297 «The future of life: de-extinction, climate, coral and frozen zoos» of the biology 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/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos:e2:1
# text = Identify the principal cause of the phenomenon designated coral bleaching.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	cause	cause	NOUN	NN	Number=Sing	8	nsubj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	phenomenon	phenomenon	NOUN	NN	Number=Sing	4	nmod	_	_
8	designated	designate	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	1	parataxis	_	_
9	coral	coral	ADJ	JJ	Degree=Pos	10	amod	_	_
10	bleaching	bleaching	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* |  |  |  |  |  | vn empathize-88.2 «NP V»: agent=Experiencer |
| 2 | **designate** | past | the principal cause of the phenomenon | coral bleaching |  |  |  |  | vn appoint-29.1 «NP V NP»: agent=Agent bleaching=Theme |
| 3 | **cause** |  |  | the phenomenon |  |  |  |  | nom cause «event transitive»: of=patient |

<!-- .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 -->
The action of strong sunlight upon the pigment of the coral, which fades it

<!-- fold The tree, 14 words -->
```conllu
# sent_id = question:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos:e2:o1:1
# text = The action of strong sunlight upon the pigment of the coral, which fades it
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	action	action	NOUN	NN	Number=Sing	14	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	strong	strong	ADJ	JJ	Degree=Pos	5	amod	_	_
5	sunlight	sunlight	NOUN	NN	Number=Sing	2	nmod	_	_
6	upon	upon	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	pigment	pigment	NOUN	NN	Number=Sing	2	nmod	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	coral	coral	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	_	_
13	which	which	PRON	WDT	PronType=Rel	14	nsubj	_	_
14	fades	fade	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
15	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fade** | present | the action of strong sunlight upon the pigment of the coral | coral |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |
| 2 | **act** |  | strong sunlight |  |  |  |  | upon the pigment of the coral | nom action «act intransitive»: of=agent upon=obl |

### Option 2 {#o2}

<!-- .ven lang=en -->
The deposition of salt upon the surface of the reef

```conllu
# sent_id = question:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos:e2:o2:1
# text = The deposition of salt upon the surface of the reef
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	deposition	deposition	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	salt	salt	NOUN	NN	Number=Sing	2	nmod	_	_
5	upon	upon	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	surface	surface	NOUN	NN	Number=Sing	2	nmod	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	reef	reef	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **depose** |  | salt |  |  |  |  | upon the surface of the reef | nom deposition «process intransitive»: of=agent upon=obl |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The expulsion of symbiotic algae by corals in water of excessive temperature

```conllu
# sent_id = question:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos:e2:o3:1
# text = The expulsion of symbiotic algae by corals in water of excessive temperature
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	expulsion	expulsion	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	symbiotic	symbiotic	ADJ	JJ	Degree=Pos	5	amod	_	_
5	algae	alga	NOUN	NNS	Number=Plur	2	nmod	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	corals	coral	NOUN	NNS	Number=Plur	2	nmod	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	water	water	NOUN	NN	Number=Sing	7	nmod	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	excessive	excessive	ADJ	JJ	Degree=Pos	12	amod	_	_
12	temperature	temperature	NOUN	NN	Number=Sing	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **expel** |  | corals in water of excessive temperature | symbiotic algae |  |  |  |  | nom expulsion «act transitive»: of=patient by=agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The consumption of coral pigment by fish

```conllu
# sent_id = question:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos:e2:o4:1
# text = The consumption of coral pigment by fish
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	consumption	consumption	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	coral	coral	ADJ	JJ	Degree=Pos	5	amod	_	_
5	pigment	pigment	NOUN	NN	Number=Sing	2	nmod	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	fish	fish	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **consume** |  | fish | coral pigment |  |  |  |  | nom consumption «act transitive»: of=patient by=agent |

<!-- 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: [The future of life: de-extinction, cli…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/e1/)
- next →: [The future of life: de-extinction, cli…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/e3/)
- ↑ back to [The future of life: de-extinction, climate, coral and frozen zoos](https://md.mova.elamur.ai/free/en/corpora/questions/biology/297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos/)