What is the layer of "skin" outside of a the fish which protects it?
Scales
True or False.
Mammal lay eggs
False
What do birds use to eat?
beaks
What does the lateral line system do?
Detects water movement(vibrations)
Why are reptiles covered in dry scales?
To prevent water loose in dry areas
Fish lay what type of eggs?
Oviparous
What are the 3 types of mammals?
Monotremes, Marsupials, Placentals
Birds are war-blooded which meant they are....
endothermic animals
What is the tympanic membrane?
the eardrum
What type of eggs do reptile lay?
Amniotic, terrestrial eggs
Fishes are cold blooded which meant they are...
Ectothermic
What is a gestation period and which mammal does it?
It is a fatal period when the embryo of the baby is inside the mother, and the baby grows. Placental mammals does it.
What are the feathers made of?
Keratin (Proteins)
How do amphibians reproduce?
External fertilization
What type of circulatory system does the reptiles have?
Closed, double loop
What type of reproduction do most fish have?
External reproduction
What is an umbilical cord?
It is cord inside the mother which connects the embryo and transports waste, oxygen, and nutrients.
What are the 3 different types of a bird's beak shape?
spearlike, hooked, spearlike
What type of circulation does amphibians have and what type does it amphibians have?
double loop system ; 3 chambered hearts
True or false. Reptiles are the not the 1st to live completely out of water.
False
What do the swim bladders do for the fishes?
Maintain balance, maintain pressure, and reach a certain depth in the water
How do we classify the mammals? Name 2 orders that belong to mammals.
How their youngs develop
Order: Monotremata, Artiodactyla, Rodentia, Carnivora, Primata, etc.
What tree parts are part of the birds' respiratory system?
trachea, air sac, lungs
What is the order of an amphibian's urinary system?
Kidneys – ureters – small urinary bladder - cloaca
What is internal fertilization?
The egg is fertilized inside the female and the female layes the eggs.