Fish
First vertebrates on earth.
Fish!
They are ectoderms, they both live on land and water, who they are?
amphibian!
Mammals body cover with...
hair!
Birds are __-blood vertebrate.
warms
Snack, turtle, crocodile are...
reptile
Most fish breathe using...
gills!
adult amphibian breath through...
lungs and skin
Human, duck-billed platypus echidna, tiger are...
Mammals!
Bird's body cover with hair.
True of False?
False.
They cover with feathers.
Their skin are cover with...
Scale!
fanlike structures, using in movement.
Fins!
gills
What are the three sub-groups in mammals?
1. monotremes (egg-laying)
2. marsupials (pouched)
3. placentals (gestation)
Wings are structures that enable birds to fly.
That type of egg does reptile have?
Terrestrial Eggs - first animals to develop amniotic eggs that didn’t need to be deposited in water. It is protected by a hard shell.
Fish have soft skin cover its body.
True or False
False.
Their body cover with scale!
What type of reproduction does amphibian have?
external reproduction – female lays unfertilized eggs in water, male drops sperm on them
mammary glands to produce...
Milk.
Bird's body is for...
Fly.
They are using __to breath.
lungs.
Most fish are...(what type of reproduction?)
external reproduction – female lays unfertilized eggs in water, male drops sperm on them
What is the structure of amphibian's heart?
three chambers heart:right atrium, left atrium, and ventricle.
What is spine?
Back bones made up of small bones called vertebrae.
Why bird's bones are thin and Hallow.
Because it combine lightness and strength.
What is the difference between Turtles and Tortoises?
–Turtles are aquatic; tortoises are terrestrial - live on land.