Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/22

Click to flip

22 Cards in this Set

  • Front
  • Back
mostly bilateral, 1/2 of vert, internal skeleton with a back bone
fish
slits that allow gas exchange
02+water thru mouth n CO2+water thru gills
gills
no mouth, jawless fish
agnatha (lampreys and rays)
have a cartilage
chondrichthyes (sharks and rays)
osteichthyes
bony fish
males and females, sexual, external fertilization, internal (sharks and rays)
fish reproduction
"double life"
in land and water
amphibians (frogs, salamanders, newts, toads)
body structure
ecthotherms and metamorphosis
body temperature changes with the surrounding
ecthoterm
develop and changes form
metamorphosis
reptiles body structure
ecthotherms
-must find shade in hear, dormant during cold
sexually, internal fert, amniotic egg (life support), lay egss ON LAND, provide no care for young
reptiles reproduction
nurse their young, mammory glands, endotherm
mammals
mammal body structure
*hair-for warmth and water proofing
*lungs
*teeth
canines
puncture and ripflesh (carnivore)
molars
grinding plnats (herbivore)
young carried in auterus, nourished by placenta
placental
young carried in a pouch for a 2nd incubation period
marsupial (kangaroo, opossum)
egg layers only 3 species
monotremes (platypus, antraters) found only in Au
young carried in auterus, nourished by placenta
placental
young carried in a pouch for a 2nd incubation period
marsupial (kangaroo, opossum)
egg layers only 3 species
monotremes (platypus, antraters) found only in Australia , Tasmania, New Guinea)