Fish
What is a swim bladder ?
It is a balloon like organ filled with oxygen and other gasses, give fish ability to float
Define salamanders
salamanders means walk on land.
(3x jeopardy)
What is a terrestrial egg ?
It is a type of egg that didn't need to be deposited in water. Protected by hard shelled.
Their egg?
Amniotic egg.
One of the general characteristic of mammals
Mammals have a notochord(nerve chord) that runs along the spine ,connecting to the skull.
The function of lateral line system
It can sense vibrations in the water
What did the adult amphibians use to breath ?
They breath through skin/gills.
How many chambers of heart?
3 chamber heart
Where does the respiratory located?
Respiratory located closely to the pharynx or throat.
What is monotremes ?
Egg-laying mammals
What cover the gills of the fish ?
operculum
The blood type of amphibians?
Cold blood(Ectotherms)
What cover the reptiles body ? Why it is important ?
Body covered by dry scales-help prevent loss of body water in dry environment.
Skeleton of a bird
Bones are thin and hollow ,combine lightness and strength.
What is a umbilical cord?
It connect the embryo to the placenta ,and transports food, oxygen ,and waste.
How does the fish reproduce ?
Fish most have external reproduction , which lays unfertilized eggs in water.
(double jeopardy)
Describe the circulation of amphibians
Double loop system: Heart-lungs-heart-body
3 chamber heart :right atrium ,left atrium ,ventricle.
(double jeopardy)
Closed circulatory systems ,double loop
Describe excretory system
The two kidneys filter a nitrogenous waste call uric acid from the blood.
What is the function of the front teeth ?(incisors)
Used for biting and cutting.
The function of dorsal fins ,pectoral and pelvic fins ?
Dorsal fins function mainly as stabilizers and the pectoral and the pelvic fins provide lift when the shark swims.
The problem of amphibians live on land
-drying out
-respiration
-reproduction
-temperature control
Describe internal fertilization
Egg fertilized inside the female ,shell forms around egg ,female lay eggs.
Describe the digestive system
Food passes from the mouth cavity straight to the esophagus
(double jeopardy)
how many Chamber heart
4 chambered heart