--- title: A pond food web has algae, water fleas, small fish and a pike. Someo… — Balance in a food web · tree and pragmatics description: A pond food web has algae, water fleas, small fish and a pike. Someone adds many more pike. What happens first? Test 5 · ★★★ of lesson 30 «Balance in a food web» 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 wa --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/t5/) [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/) / [Balance in a food web](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/) / t5 # Test 5 · ★★★ · Balance in a food web A pond food web has algae, water fleas, small fish and a pike. Someone adds many more pike. What happens first? **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** pond food web, Someone · **What happens:** have, add, happen · **To what, where:** algae, many more pike This is test 5 · ★★★ of lesson 30 «Balance in a food web» 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/30-balance-in-food-webs/#t5). ## The question {#question} *Sentence 1:* A pond food web has algae, water fleas, small fish and a pike. ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:1 # text = A pond food web has algae, water fleas, small fish and a pike. 1 A a DET DT Definite=Ind|PronType=Art 4 det _ _ 2 pond pond NOUN NN Number=Sing 4 compound _ _ 3 food food NOUN NN Number=Sing 4 compound _ _ 4 web web NOUN NN Number=Sing 5 nsubj _ _ 5 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 6 algae alga NOUN NNS Number=Plur 5 obj _ SpaceAfter=No 7 , , PUNCT , _ 9 punct _ _ 8 water water NOUN NN Number=Sing 9 compound _ _ 9 fleas flea NOUN NNS Number=Plur 6 conj _ SpaceAfter=No 10 , , PUNCT , _ 12 punct _ _ 11 small small ADJ JJ Degree=Pos 12 amod _ _ 12 fish fish NOUN NN Number=Sing 6 conj _ _ 13 and and CCONJ CC _ 15 cc _ _ 14 a a DET DT Definite=Ind|PronType=Art 15 det _ _ 15 pike pike NOUN NN Number=Sing 12 conj _ SpaceAfter=No 16 . . PUNCT . _ 5 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present | a pond food web | algae and water fleas and small fish and a pike | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent alga=Patient | 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. *Sentence 2:* Someone adds many more pike. ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:2 # text = Someone adds many more pike. 1 Someone someone PRON NN Number=Sing|PronType=Ind 2 nsubj _ _ 2 adds add VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 many many ADJ JJ Degree=Pos 5 amod _ _ 4 more more ADJ JJR Degree=Cmp 5 amod _ _ 5 pike pike NOUN NN Number=Sing 2 obj _ SpaceAfter=No 6 . . PUNCT . _ 2 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **add** *speech: assert* | present | Someone | many more pike | | | | | vn mix-22.1-2 «NP V NP»: agent=Agent pike=Patient | *Sentence 3:* What happens first? ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:3 # text = What happens first? 1 What what PRON WP PronType=Int 2 nsubj _ _ 2 happens happen VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 first first ADV RB NumForm=Word|NumType=Ord 2 advmod _ SpaceAfter=No 4 ? ? PUNCT . _ 2 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **happen** | present | | | | | | first *property* | vn occur-48.3-1 «NP V»: agent=Theme | ## The options {#options} ### Option 1 · ← Mova's choice {#o1} Water fleas become fewer ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:o1:1 # text = Water fleas become fewer 1 Water water NOUN NN Number=Sing 2 compound _ _ 2 fleas flea NOUN NNS Number=Plur 3 nsubj _ _ 3 become become VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 fewer few ADJ JJR Degree=Cmp 3 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **become** | present | Water fleas | | | | | few *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient | ### Option 2 {#o2} The pike all become thin at once ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:o2:1 # text = The pike all become thin at once 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 pike pike NOUN NN Number=Sing 4 nsubj _ _ 3 all all ADV RB _ 4 advmod _ _ 4 become become VERB VBP Mood=Ind|Tense=Pres|VerbForm=Fin 0 root _ _ 5 thin thin ADJ JJ Degree=Pos 4 xcomp _ _ 6 at at ADP IN _ 7 case _ _ 7 once once ADV RB NumForm=Word|NumType=Mult 5 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **become** | present | the pike | | | | | all, thin *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient | ### Option 3 · ✓ the right answer {#o3} Small fish become fewer ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:o3:1 # text = Small fish become fewer 1 Small small ADJ JJ Degree=Pos 2 amod _ _ 2 fish fish NOUN NNS Number=Plur 3 nsubj _ _ 3 become become VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 fewer few ADJ JJR Degree=Cmp 3 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **become** | present | Small fish | | | | | few *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient | ### Option 4 {#o4} Algae become fewer ```conllu # sent_id = question:world:30-balance-in-food-webs:t5:o4:1 # text = Algae become fewer 1 Algae alga NOUN NNS Number=Plur 2 nsubj _ _ 2 become become VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 fewer few ADJ JJR Degree=Cmp 2 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **become** | present | Algae | | | | | few *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient | **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. - ← previous: [Balance in a food web, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/t4/) - next →: [Balance in a food web, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/t6/) - ↑ back to [Balance in a food web](https://md.mova.elamur.ai/free/en/corpora/questions/world/30-balance-in-food-webs/)