7De No backbone! 1 Copy the table and write the names of these invertebrates in the correct column. brittle star butterfly sea urchin weevil Arthropods Echinoderms Molluscs scorpion fly starfish snail slug crab

7De No backbone! 2 Look at these animals. For each one write down which group you think it belongs to and why. leech lobster

7De No backbone! 3 For each of these lists of organisms, write down which is the odd one out and why. a) snail, reindeer, pig, oak tree, sponge b) tapeworm, slug, wasp, eagle, starfish c) sea urchin, fly, spider, ant, lobster d) dolphin, salmon, seagull, lobster, crocodile e) bear, horse, pig, hamster, frog

7De No backbone! 1 Copy the table and write the names of these invertebrates in the correct column: weevil, sea urchin, slug, butterfly, scorpion, crap, brittle star, fly, snail, starfish. Arthropods Echinoderms Molluscs butterfly brittle star slug crab sea urchin snail scorpion starfish weevil fly

7De No backbone! 2 Look at these animals. For each one write down which group you think it belongs to and why. Lobster is an arthropod: jointed legs, hard outer body covering. Leech is an annelid: round worm-like body in sections. leech lobster

7De No backbone! 3 For each of these lists of organisms, write down which is the odd one out and why. a) snail, reindeer, pig, oak tree, sponge oak tree: the others are animals b) tapeworm, slug, wasp, eagle, starfish eagle: the others are invertebrates c) sea urchin, fly, spider, ant, lobster sea urchin: the others are arthropods

7De No backbone! 3 For each of these lists of organisms, write down which is the odd one out and why. d) dolphin, salmon, seagull, lobster, crocodile lobster: the others are vertebrates e) bear, horse, pig, hamster, frog frog: the others are mammals