Mammals
What group do chimpanzees, humans, and apes belong to?
primates
Birds have an ______________ shape to facilitate flight.
aerodynamic
Sense organ that helps fish sense danger
The lateral line
What allows amphibians to breathe through their skin?
Snakes and lizards _________. They shed their skin to grow.
moult
A mammal that lays eggs is called a ____________.
monotreme
What is the gizzard?
a cavity that stores small stones to help birds grind food and helps with digestion
The structure in a fish's body that helps them breathe oxygen underwater
gills
The juvenile form of a frog is called a __________.
tadpole
Describe a double circulatory system.
a type of circulatory system where blood passes through the heart twice in each cycle
What is the organ that provides the young with nutrition inside the mother?
placenta
Why are birds so light and able to fly?
they have thin and hollow bones
For ____________ fish, the gills are NOT protected by an operculum
cartilaginous
Nutrition: Adult amphibians are ___________, but tadpoles are ____________ or ___________.
(herbivores, carnivores, omnivores)
carnivores
herbivores or omnivores
Which type of reptile does not have limbs?
snakes
Marsupials are vivaporous but do not have a placenta. The young finish developing in _______________.
the marsupium, or the mother's pouch
What organ allows birds to sing a great variety of songs?
the syrinx
What is external fertilization?
a mode of reproduction where the egg is fertilized outside of the female's body
What are the two classes of amphibians?
Anura and Urodela
What separates turtles and tortoises from other reptiles?
they have a shell
Name 2 groups of placental mammals (besides primates) and give 1 example of each one.
carnivores (brown bear), chiropterans (bat), rodents (mouse), cetaceans (whale), ungulates (horse)
Give an example of how the shape of a bird's beak is related to its diet (i.e., what shape? what diet?)
birds of prey -> sharp, curved beaks
insect-eaters -> short, narrow beaks
fish-eaters -> long, sharp, pointed beaks
Describe 2 features of bony fish
skeleton made of bone, swim bladder, mouth at front of body
What is the change of an amphibian from a larval form to an adult form called?
metamorphosis
What is the function of loreal pits?