---
title: Which of the following statements most accurately characterises the… — The Southern Ocean: blue whales, colos… · tree and pragmatics
description: Which of the following statements most accurately characterises the means by which a starfish digests its prey? Exam question 2 of lesson 171 «The Southern Ocean: blue whales, colossal squid and life under the ice» of the biology course of Mova's primary school, with the dependency tree and pragmati
---

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# Exam question 2 · The Southern Ocean: blue whales, colossal squid and life u…

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the means by which a starfish digests its prey?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** the, starfish · **What happens:** follow, characteris, mean, digest · **To what, where:** prey · **Speech:** someone speaks here

<!-- .vabout -->
This is exam question 2 of lesson 171 «The Southern Ocean: blue whales, colossal squid and life under the ice» 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/171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice:e2:1
# text = Which of the following statements most accurately characterises the means by which a starfish digests its prey?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	nsubj	_	_
10	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	ccomp	_	_
11	by	by	ADP	IN	_	12	case	_	_
12	which	which	PRON	WDT	PronType=Rel	15	obl	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	starfish	starfish	NOUN	NN	Number=Sing	15	nsubj	_	_
15	digests	digest	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	ccomp	_	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	_	_
17	prey	prey	NOUN	NN	Number=Sing	15	obj	_	SpaceAfter=No
18	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  |  |  |  |  | of the following statements; accurately *property* | tree rules |
| 3 | **mean** | present | the |  |  |  |  |  | vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic |
| 4 | **digest** | present | a starfish | starfish's prey |  |  |  |  | tree rules |

<!-- .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 -->
Food is masticated by means of numerous teeth

```conllu
# sent_id = question:biology:171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice:e2:o1:1
# text = Food is masticated by means of numerous teeth
1	Food	food	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	masticated	masticate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	nsubj	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	numerous	numerous	ADJ	JJ	Degree=Pos	8	amod	_	_
8	teeth	tooth	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **masticate** | present · passive |  | Food |  |  |  |  | vn chew-39.2 «NP V NP»: subject=Patient |
| 2 | **mean** | present |  |  |  |  |  | of numerous teeth | vn intend-61.2-1 «NP V S»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
Food is dissolved by venom injected through the spines

```conllu
# sent_id = question:biology:171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice:e2:o2:1
# text = Food is dissolved by venom injected through the spines
1	Food	food	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	dissolved	dissolve	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	venom	venom	NOUN	NN	Number=Sing	3	obl	_	_
6	injected	inject	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
7	through	through	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	spines	spine	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dissolve** | present · passive | venom | Food |  |  |  |  | vn break-45.1 «NP V NP»: agent=Agent subject=Patient |
| 2 | **inject** | participle |  | venom *not said here* |  | the spines |  |  | vn eat-39.1 «NP V»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Prey is absorbed exclusively through the arms

```conllu
# sent_id = question:biology:171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice:e2:o3:1
# text = Prey is absorbed exclusively through the arms
1	Prey	prey	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	absorbed	absorb	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	exclusively	exclusively	ADV	RB	_	3	advmod	_	_
5	through	through	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	arms	arm	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **absorb** | present · passive |  | Prey |  | the arms |  | exclusively *property* | vn absorb-39.8 «NP V NP»: subject=Theme |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
The stomach is extended outside the body and digestion occurs externally

```conllu
# sent_id = question:biology:171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice:e2:o4:1
# text = The stomach is extended outside the body and digestion occurs externally
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	stomach	stomach	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	extended	extend	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	outside	outside	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	body	body	NOUN	NN	Number=Sing	4	obl	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	digestion	digestion	NOUN	NN	Number=Sing	10	nsubj	_	_
10	occurs	occur	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
11	externally	externally	ADV	RB	_	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **extend** | present · passive |  | the stomach |  |  |  | outside the body | vn body\_motion-49.2-1 «NP V NP ADV»: subject=Theme |
| 2 | **occur** | present | digestion |  |  |  |  | externally *property* | vn occur-48.3-1 «NP V»: agent=Theme |

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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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- next →: [The Southern Ocean: blue whales, colos…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice/e3/)
- ↑ back to [The Southern Ocean: blue whales, colossal squid and life under the ice](https://md.mova.elamur.ai/free/en/corpora/questions/biology/171-the-southern-ocean-blue-whales-colossal-squid-and-life-under-the-ice/)

