UNIT 3. OUR WORLD 5º

Which vertebrates have feathers and two wings?

• MAMMALS

• BIRDS

• FISH

• REPTILES

Which vertebrates are viviparous?

• REPTILES

• FISH

• MAMMALS

• AMPHIBIANS

Which vertebrates use gills during all life to breathe?

• MAMMALS

• BIRDS

• REPTILES

• FISH

Which vertebrates have smooth skin and four legs?

• MAMMALS

• REPTILES

• AMPHIBIANS

• BIRDS

Which invertebrates have joined legs and exoskeleton?

• MOLLUSCS

• ARTHROPODS

• ECHINODERMS

• ANNELIDS

Which invertebrates reproduce by forming buds and breathing using pores?

• ANNELIDS

• PORIFERA

• ECHINODERMS

• ARTHROPODS

Plants which lose their leaves in autumn are called...

• TREES

• EVERGREEN

• DECIDUOUS

• BUSHES

In which ecosystems can we find horses, rabbits and mice?

• FORESTS

• GRASSLANDS

• PONDS

• URBAN

Which ecosystems are freshwater and live animals like fish, ducks and insects?

• GRASSLANDS

• FORESTS

• PONDS

• COASTAL

In which ecosystems can we find living and non-living things?

• COASTAL

• PONDS

• FORESTS

• URBAN