Fish-Birds Flashcards
Tunicate
Invertebrate chordate. Sessile after metamorphosis.
Circulatory system of fish:
Closed circulatory system.
Heart of a fish:
2 chambered heart: an atrium and a ventricle.
Digestive tract of bony fish:
Esophagus, stomach, pyloric ceca, small intestine.
In fish, olfactory bulbs allow the animal to:
Sense smell and taste
Most fishes are:
Ray-finned fishes (bony fishes)
Oviparous
The embryo/fetus is nurished by the yolk until born
Ovoviparous
The embryo is nourished by the yolk until born as a fetus
Viviparous
The embryo/fetus is nourished by the mother’s circulatory system until born.
Amphibians lead a double life?
As larvae, breathe through gills, and as adult breathe through lungs and skin.
Amphibian reproduction.
Must return to water to breed. Eggs do not have shells.
Amphibian feeding
Tadpoles are filter-feeders, adults are carnivorous
Amphibian heart
3 separate chambers: 2 atrium and a ventricle. Double-loop circulatory system.
Fish circulatory system:
Single-loop circulatory system
Tadpoles circulatory system:
Single-loop, two chambered heart
Reptile skin:
Dry and waterproof, thick protective scales
Reptile circulatory system/heart:
Two atrium and a ventricle with a partial separation between right and left ventricle. Double-loop system
Reptiles eliminate waste:
In the form of urea and urine.
What type of fertilization do reptiles have?
Internal fertilization.
Tuataras
Represent reptiles that lived during the dinosaur age.
Animals that must get their head from the outside environment are:
Ectotherms.
Animals that can generate their own body heat are:
Endothermic.
Do birds have a diaphragm?
No!!!!
Contour Feathers of birds:
Large, stiff feathers with many branches and barbules
