Birds
Are birds endothermic or exothermic?
Endothermic
Do any mammals live in the water?
Yes, although most live on land.
What is a bird that can't fly?
Ostrich, penguin, etc.
What is the difference between viviparous and oviparous?
Viviparous means the embryo develops inside the mother. Oviparous means the embryo develops inside the egg.
What is a characteristic of a bird's bones?
Birds have some hollow bones, which makes them lighter and makes it easier to fly.
How do mammals breathe?
With lungs.
How are birds classified?
They are classified according to what they eat.
What group do platypi belong to?
Monotremes
How do birds reproduce?
Birds reproduce sexually through internal fertilisation. Parents incubate the eggs as the embryos develop.
They reproduce sexually using internal fertilisation.
Why do some birds have eyes on the sides of their heads?
So they can have a wider field of vision.
What is an example of a marsupial?
A kangaroo, wallaby, koala, etc.
What is special about birds' lungs?
They have air sacs to help reduce their weight and oxygenate the muscles.
How do young mammals feed?
They use their lips to suck milk from their mothers.
What do macaws eat?
Seeds and fruits
What kind of mammals are humans?
Placental mammals
How do birds break up their food?
They don't chew--instead, they use their gizzard, which is part of their digestive system.
What are the three main groups of mammals?
Monotremes, marsupials, and placental
What is special about a curlew?
It has a long, curved beak to capture buried prey.
What is a marsupium?
The pouch on the mother's body in which the baby finishes developing.