Unit 8: Animals and Their Homes Theme 15: Home Sweet Habitat
ground – the part of Earth that we walk on The ground was very wet from the rain.
tunnel – an underground passageway The machine went through the underground tunnel.
creatures – all living animals There are many interesting creatures in the world.
habitat – the place where an animal lives An animal feels safe in its habitat.
structure – something built from parts and put together It took a long time to build this structure.
design – a plan for how something should be made or put together An architect will design the building.