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Great Barrier Reef

vocabulary grade 3/4

habitat a particular area where an animal lives eg tree, cave, den, desert, reef
mollusc invertibrate animal with soft body, most grow a hard shell for protection eg snails, clams, mussels without shell - octopus
mammal a warm-blooded animal with a backbone that feeds its young with milk produced by the mother and has skin usually more or less covered with hair.
coral Corals are sea animals that stay in one place throughout their adult lives. Some types produce a skeleton, also called coral, that remains in place after they die.
The Great Barrier Reef The largest coral reef in the world.
Fish An animal that lives in water and has fins for swimming and gills for breathing.
Annelid Worm, segmented worm - live on and or in the sea
marine From the sea
seaweed A plant growing in the sea; especially : a marine alga (such as a kelp)
plankton Countless tiny living things float and drift in the world's oceans and other bodies of water. They include plants, animals, and other kinds of organisms.
predator A person or an animal that hunts a smaller weaker person or animal.
prey An animal being hunted, caught, and eaten by another animal
reptile a vertebrate animal that includes snakes,turtles, and tortoises. They have a dry scaly skin and usually lay soft-shelled eggs on land.
Sponge It is a simple animal with many cells, but no mouth, muscles, heart or brain. it cannot move from place to place the way most other animals can. A sponge is an animal that grows in one spot like most plants do.
jellyfish Jellyfish are sea animals with a soft, jellylike body and no bones. They have tentacles, or feelers to sting their prey. Related corals and sea anemones.
world heritage . World Heritage sites are special places that have been set aside to be protected eg a building, mountain range, rainforest, reef
global warming the gradual heating of Earth's surface, oceans
coral bleaching Coral reefs are very sensitive to light and temperature. If the water they live in gets too hot, they might not survive. When they turn white.