Classification and Variation

Vertebrates are .......

• animals without backbone

• animals with backbone

• animals with brain

• animals without brain

Which of the following are vertebrates?

• crab

• snake

• rabbit

• jellyfish

These are

• amphibians

• mammals

• reptiles

• fish

Which of the following are characteristics of mammals?

• have fur on body

• cold-blooded

• breath through lungs

• lay eggs

Scales on body, cold-blooded, lay eggs, breath with gills. These are the characteristics of .......

• birds

• reptiles

• fish

• amphibian

These are invertebrates with jointed legs. They are known as .......

• arthropods

• annelids

• mollusc

• echinoderms

These are invertebrates with jointed legs and hard shells. They are known as ......

• annelids

• nematodes

• arachnids

• crustaceans

Cnidarians do not have true organs. They live in the sea. Which of the following are examples of cnidarians?

• lobster

• jellyfish

• starfish

• sea anemone

Which of the following are the features of plants?

• move around

• can make own food

• have cell walls

• have chlorophyll

Vascular plants have true root, stem and leaves. They have vessels to transport food, water and minerals. Which of the following are vascular plants?

• ferns

• algae

• conifers

• mosses