Coral animals

stinger (n)

eg: the sting of a bee

Each tentacle is equipped with stingers called cnidocytes.

the sharp pointed part of an insect or creature that can go into the skin leaving a small, painful and sometimes poisonous wound

algae (n)

eg: These are palnt-like algae that live inside a polyp’s body.

very simple plants, such as seaweed, that have no real leaves, stems or roots, and that grow in or near water

edible (adj)

eg: When a tentacle touches sth edible, a tiny stringer springs out…

fit or suitable to be eaten; not poisonous

pierce (v)

eg: When a tentacle touches sth edible, a tiny stringer springs out and pierces the prey’s skin.

to make a small hole in something, or to go through something, with a sharp object

prey (n)

eg: When a tentacle touches sth edible, a tiny stringer springs out and pierces the prey’s skin.

an animal, a bird, etc. that is hunted, killed and eaten by another

substance (n)

eg: Calcium carbonate is a tough substance that turns into stone over time.

a type of solid, liquid or gas that has particular qualities