Chuyên đề 2: Animals 1

Which of these do all vertebrates have?

• a backbone

• scales

• lungs

• hair

Snakes, crocodiles and turtles are examples of

• invertebrates.

• amphibians.

• mammals.

• reptiles.

An animal that is born in the water and then grows lungs is most likely a(n)

• fish.

• bird.

• mammal.

• amphibian.

Fish and reptiles share which of these traits?

• They live in water.

• They are cold-blooded.

• They do not have scales.

• They do not have backbones.

An animal might be a mammal if it

• breathes with gills.

• is cold-blooded.

• has fur or hair.

• has scales.

Which of these lists contains only mammals?

• kangaroo, crocodile, sparrow

• platypus, cow, human

• shark, whale, turtle

• frog, penguin, bat

Birds have which of these traits?

• They lack lungs.

• They have wings.

• They birth live young.

• They are cold-blooded.

Which of these is most likely an invertebrate?

• mushrooms, which are fungi but are often mistaken for plants

• oak trees, which belong to the plant kingdom and produce acorns

• chimpanzees, which belong to the animal kingdom and related to humans

• comb jellies, which belong to the animal kingdom and share many characteristics with jellyfish

An organism is an invertebrate if it is a(n)

• plant and produces fruit.

• virus that mutates quickly.

• animal that lacks a backbone.

• animal closely related to humans.

A cold-blooded animal is unable to

• breathe air with lungs.

• lay eggs to reproduce.

• cool itself when the environment is hot.

• consume and digest food to have energy.