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17 terms

Animals

STUDY
PLAY
mammals
fur, mothers make milk, live born, lungs
birds
wings, 2 feet, feathers, lungs, lay eggs
reptiles
scales, lungs, lay eggs
amphibians
live in water then on land, gills then lungs, lay eggs, moist skin
fish
breathe with gills, hatch from eggs, scales
inherit
means "to receive from parents"
traits
the body features an animal inherits
gills
body parts that take in oxygen from the water so the animal can breathe
scales
small, thin, flat plates that help protect fish and reptiles
extinct
this means an animal is gone forever
species
a specific type of organism
endangered
species that are in danger of becoming extinct
threatened
an organism that is on its way to becoming endangered or extinct
fossil
evidence of an animal or plant that lived a long time ago on Earth
metamorphosis
the process that takes place as a tadpole changes into a frog
ways organisms become extinct
habitat loss, predators, overhunting
infer
prediction based on prior knowledge