Vertebrates

........ are spent their lives both in land and water.

• Amphibians

• Kangaroos

• Fish

• Deer

What are vertebrates?

• Animals with a backbone
• Animals without a backbone

I am known as a true land dweller that is covered in dry scales and lay eggs. What am I?

• Mammal

• Fish

• Amphibian

• Reptile

Bats, dolphins, horses, humans and dogs are all examples of which group of mammals because they develop inside their mother's body?

• monotremes

• marsupials

• placentals

Animals whose body temperature changes with environment. 

• warmblooded
• coldblooded

Animals whose body temperature always stays the same. 

• warmblooded
• coldblooded

Gestation means

• length of pregnancy.

• digestion of food.

• length of puberty.

Monotremes are very primitive mammals who

• lay eggs

• have a cloaca

• have a pouch

• lay eggs and have a cloaca

Organisms that live in a pouch until they are mature are known as....

• Placentals

• Monotremes

• Marsupials

Which mammal lay eggs?

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