Natural sciences 2nd term 5

Fish take in oxygen from the water through their ______

• mouth

• nose

• gills

• lungs

Adult amphibians take in oxygen through their ______ and their skin

• mouth

• nose

• gills

• lungs

Birds have _____ bones which makes it easier for them to fly

• thick

• thin

• big

• heavy

Both amphibians and _________ are cold-blooded animals

• mammals

• reptiles

• birds

• fungi

Marine invertebrates with poisonous tentacles

• Annelids

• Cnidarians

• Sponges

• Echinoderms

Invertebrates with soft bodies. Many have a shell

• Arthropods

• Cnidarians

• Mollusks

• Annelids

Invertebrates with an external skeleton, jointed legs and a segmented body

• Arthropods

• Annelids

• Echinoderms

• Cnidarians

Invertebrates with long, soft bodies and no legs

• Annelids

• Arthropods

• Equinoderms

• Sponges

Simple invertebrates that filter seawater to obtain food

• Annelids

• Cnidarians

• Sponges

• Arthropods

Ferns or mosses?

Spores found on the underside of the leaves

• Ferns

• Mosses