Vertebrate and invertebrate animals 1

Which group of vertebrates are viviparous animals?

• Birds

• Fish

• Amphibians

• Mollusks

What is the biggest mammal in the world?

• Giraffe

• Hippopotamus

• Blue Whale

• Elephant

How do mammals breathe?

• Through spiracles

• Through lungs

• Through skin

• Through gills

Which group of vertebrates have an articulated internal skeleton?

• Mammals

• Reptiles

• Amphibians

• Mollusks

What is the main characteristic of birds' bodies?

• Covered in scales

• Moist skin

• Gelatinous body

• Covered in feathers

How do fish breathe?

• Through spiracles

• Through skin

• Through lungs

• Through gills

Which group of invertebrates have an external skeleton called the exoskeleton?

• Mollusks

• Worms

• Arthropods

• Cnidarians

What is the main characteristic of cnidarians' bodies?

• Full of pores

• Gelatinous body

• Moist skin

• Covered in scales

How do sponges feed?

• By photosynthesis

• On plankton and bacteria in the water

• By hunting small fish

• By scavenging on the seabed

Which group of invertebrates are exclusively marine animals?

• Ecnoderms

• Arthropods

• Worms

• Mollusks