What's the largest mammal?
Blue Whale
Are birds Endothermic or Ectothermic?
Endothermic (Warm-Blooded)
What's the 13-letter word that starts with an M that only amphibians do?
Metamorphosis
What class of reptiles do crocodiles and alligators belong to?
Crocodilia
How do fish breathe?
They take oxygen out of the water through their gills.
How many mammal species are there?
6,500 species
How many orders of birds are there?
41 orders
What kind of environment do amphibians have to live in to survive?
Moist environments
What texture of skin do reptiles have?
Dry and scaly skin
How many living fish species are there?
32,000 species
What's the smallest mammal?
Bumblebee Bat
Who's the biggest bird?
Ostriches
How many amphibian species are there?
Around 6,200 species
What texture of eggs do reptiles lay?
Soft and leathery eggs
Eels are an example of which type of fish?
Jawless fish (Agnatha)
What are the three ways mammals reproduce?
Laying eggs, live birth with early development, live birth with full development.
How many birds are there?
Approximately 400 billion
What's the world's biggest amphibian?
The Giant Chinese Salamander
How many reptile species are there?
Around 10,700 species.
How long ago did the earliest fish appear?
550 million years ago
What are the 3 orders of mammals?
Monotremes, Marsupials, and Placentals
How do birds breathe?
Through muscular contractions in their ribcages.
What are the parts of an amphibian's nervous system?
Central brain, spinal cord, and nerves throughout their body.
What is the egg surrounded by 4 membranes that reptiles lay called?
The Amniotic Egg
What's the world's smallest fish?
Paedocypris; a newly discovered Asian minnow.