---
title: Plankton are tiny drifting living things, such as algae, baby fish a… — The ocean: open sea, sunlit zone and the deep dark · tree and pragmatics
description: Plankton are tiny drifting living things, such as algae, baby fish and copepods; many swim up to the surface at night and sink by day, the biggest daily journey of animals on Earth. Who acts: Plankton, many. A sentence of the lesson «The ocean: open sea, sunlit zone and the deep dark» of the biology
---

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# The ocean: open sea, sunlit zone and the deep dark, sentence 6

<!-- .ven lang=en -->
Plankton are tiny drifting living things, such as algae, baby fish and copepods; many swim up to the surface at night and sink by day, the biggest daily journey of animals on Earth.

<!-- .vintro -->
**Who acts:** Plankton, many · **What happens:** drift, live, be, swim up, sink, journey · **To what, where:** tiny drifting living things, surface, animals

<!-- .vabout -->
This is a sentence of the lesson «The ocean: open sea, sunlit zone and the deep dark» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Plankton, many), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:008-the-ocean.lesson:6
# text = Plankton are tiny drifting living things, such as algae, baby fish and copepods; many swim up to the surface at night and sink by day, the biggest daily journey of animals on Earth.
# source = school lesson (ours)
# course = biology
# lesson = 008-the-ocean.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R7-rel-agree ×1, R8-pos-agree ×1
1	Plankton	plankton	NOUN	NNS	Number=Plur	6	nsubj	_	Agree=R8-pos-agree|Haiku=6:nsubj|HaikuPos=NOUN:NN:Number=Sing
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
3	tiny	tiny	ADJ	JJ	Degree=Pos	6	amod	_	_
4	drifting	drift	VERB	VBG	Tense=Pres|VerbForm=Part	6	amod	_	_
5	living	live	VERB	VBG	Tense=Pres|VerbForm=Part	6	amod	_	_
6	things	thing	NOUN	NNS	Number=Plur	0	root	_	_
7	,	,	PUNCT	,	_	10	punct	_	_
8	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	10	case	_	_
9	as	as	ADP	IN	_	8	fixed	_	_
10	algae	alga	NOUN	NNS	Number=Plur	6	nmod	_	Agree=R7-rel-agree|Haiku=6:conj
11	,	,	PUNCT	,	_	13	punct	_	_
12	baby	baby	NOUN	NN	Number=Sing	13	compound	_	_
13	fish	fish	NOUN	NN	Number=Sing	10	conj	_	Agree=R5-strong|Haiku=6:nmod
14	and	and	CCONJ	CC	_	15	cc	_	_
15	copepods	copepod	NOUN	NNS	Number=Plur	13	conj	_	_
16	;	;	PUNCT	,	_	18	punct	_	_
17	many	many	ADJ	JJ	Degree=Pos	18	nsubj	_	_
18	swim	swim	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	parataxis	_	_
19	up	up	ADP	RP	_	18	compound:prt	_	_
20	to	to	ADP	IN	_	22	case	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	surface	surface	NOUN	NN	Number=Sing	18	obl	_	_
23	at	at	ADP	IN	_	24	case	_	_
24	night	night	NOUN	NN	Number=Sing	18	obl	_	Agree=R5-strong|Haiku=22:nmod
25	and	and	CCONJ	CC	_	26	cc	_	_
26	sink	sink	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	conj	_	_
27	by	by	ADP	IN	_	28	case	_	_
28	day	day	NOUN	NN	Number=Sing	26	obl	_	_
29	,	,	PUNCT	,	_	33	punct	_	_
30	the	the	DET	DT	Definite=Def|PronType=Art	33	det	_	_
31	biggest	big	ADJ	JJS	Degree=Sup	33	amod	_	_
32	daily	daily	ADJ	JJ	Degree=Pos	33	amod	_	_
33	journey	journey	NOUN	NN	Number=Sing	18	appos	_	_
34	of	of	ADP	IN	_	35	case	_	_
35	animals	animal	NOUN	NNS	Number=Plur	33	nmod	_	_
36	on	on	ADP	IN	_	37	case	_	_
37	Earth	Earth	PROPN	NNP	Number=Sing	35	nmod	_	_
38	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drift** | gerund |  |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 2 | **live** | gerund |  |  |  |  |  |  | vn exist-47.1-1 «NP V»: agent=Theme |
| 3 | **is a** | present | Plankton | tiny drifting living things |  |  |  | such algae and baby fish and copepods | tree rules |
| 4 | **swim up** | present | many |  |  | the surface | night |  | vn run-51.3.2-1 «NP V PP.location»: agent=Theme to surface=Destination |
| 5 | **sink** | present | many *not said here* |  |  |  | day |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 6 | **journey** |  |  | animals on Earth |  |  |  |  | nom journey «act 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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:008-the-ocean.lesson:6`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×2, R7-rel-agree ×1, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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