Terms in this set (50)
What are characteristic of vertebrates?
Tail, backbone, spinal cord, and pharyngeal pouch
What are the classes in Phylum chordata, Subphylum vertebrata?
Fish, amphibians, reptiles, birds, and mammals
What are characteristics of fish?
Fins, gills, scales, jaws, and aquatic
No jaws, nearly blind, and no fins or scales; hagfish and lamprey
Skeletons made of cartilage; sharks, skates, and rays
Jaws, fins, scales, and gills; trout and salmon
How do fish reproduce?
External sexual reproduction; spawning
How do fish get oxygen?
What feature do fish have that allow them detect vibrations in the water?
What feature do fish have that allows them to control their buoyancy?
How many chambers do fish hearts have?
What are characteristics of amphibians?
4 legs, no scales, slimy, aquatic larvae, and gills —-> lungs
Long legs and no tails; frogs and toads
Long bodies with tails; salamanders and newts
Legless and nearly blind; caecilians
What's the difference between larval and adult amphibians?
Larval- aquatic, no legs, gills, and herbivores
Adult- terrestrial, legs, lungs, and carnivores
How do amphibians reproduce?
External sexual reproduction; eggs don't have shells and are laid in the water
How do amphibians hear?
What is the clear lens that covers their eyes for protection?
How do amphibians regulate body temperature?
Behavior and environment (ectotherm)
What characteristics of reptiles make them fully adapted to land?
Dry scaly skin, shelled eggs, legs, lungs
What are reptile eggs like?
Leathery shell; amniotic
Snakes and lizards
Turtles and tortoises
Crocodiles and alligators
How do reptiles reproduce?
Internal sexual reproduction
How do reptiles hear?
How do reptiles smell?
Jacobson's organ and tongue
How do reptiles regulate body temperature?
How many chambers do reptile hearts have?
What are characteristics of birds?
Endotherms, 4 chambered heart, light weight bones, and feathers
How do birds reproduce?
Internal sexual reproduction
What are birds eggs like?
Hard shell and amniotic
How are birds built for flight?
Light weight bones and feathers
How do birds breathe?
Air sacs and lungs
How do birds regulate body temperature?
Endotherms, own high metabolism
How do birds hear?
How many chambers do bird hearts have?
What are the extra organs found in birds' digestive systems and what do they do?
What are characteristics of mammals?
Mammary glands and hair
Pouched and short gestation period; opossum, koala, and kangaroo
Lays eggs; duck-billed platypus and echidna
Gives live birth to fully developed young; humans and rats
How do mammals regulate body temperature?
How many chambers do mammal hearts have?
What are the functions of hair?
Insulation, camouflage, sensory, protection, signaling, and water proofing
What is the period of time it takes for young to develop in the mother?
What is the function of the uterus?
Location of embryotic development
What is the function of the placenta?