Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams, sentence 1

Inside the polyps live tiny algae that make food from sunlight and share it, which is why reefs need clear, shallow, sunny water, and why a reef in poor blue water is full of life, like an oasis in a desert.

Who acts: tiny algae, reefs, reef · What happens: live, make, share, be, need · To what, where: polyps, food, sunlight, clear shallow sunny water

This is a sentence of the lesson «Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams» 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 (tiny algae, reefs, reef), what happens, when and where, as Mova's frames read it from the tree.

The tree

Pragmatics

form

statement

act

assert

voice

narrator

polarity

none

teacher

kept the draft

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/1/