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58 Cards in this Set

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can live nearly anywhere there is ________.
water
______-have many body parts to aid in this.
swimming
____- help move, steer, stop and balance
fins
______- protect body and reduce friction
scales
______-strong muscles attach to the backbone to allow vigorous pursuit of prey
muscles
_______- well-developed sense of vision,hearing,and smell
senses
UNDERWATER BREATHING
_______- organs which remove oxygen from the water
gills
REPRODUCTION
______- fertilization
external
______ _____ _____-row of sense organs along each side of the body that can detect vibrations in the water
lateral line system
1.lampreys and hagfish
2.eel-like
jawless
1.skeleton never changes from cartilage to bone
2.denticle cover skin as protection
3.must keep swimming to stay afloat and get enough oxygen.
4.sharks ,skates,and rays
cartilage
1. skeleton made of bone
2.swim bladder that keeps them afloat
bony
JAWLESS
main characteristics
no jaw
smooth slimy skin
skeleton of cartilage
JAWLESS
fertilization
external
JAWLESS
gas exchange (breathing)
gills
JAWLESS
examples
lamprey
hagfish
CARTILAGINOUS FISH
main characteristics
jaw
denticles
skeleton of cartilage
stores oil in liver
CARTILAGINOUS FISH
fertilization
external
CARTILAGINOUS FISH
gas exchange (breathing)
gills
CARTILAGINOUS FISH
examples
sharks,skates, and rays
BONY FISH (95% OF ALL FISH)
main characteristics
skeleton of bone
swim bladder
scales
BONY FISH (95% OF ALL FISH)
fertilization
external
BONY FISH (95% OF ALL FISH)
gas exchange (breathing)
gills
BONY FISH (95% OF ALL FISH)
examples
tuna,trout and goldfish
ray-finned
lobe-finned and lung fish
AMPHIBIANS(double life)
main characteristics
lays eggs in water
half life in water/ half in land
thin,smooth,moist skin
AMPHIBIANS(double life)
fertilization
external
AMPHIBIANS(double life)
gas exchange (breathing)
gills-then skin and lungs
AMPHIBIANS(double life)
examples
caecillans-legless
frogs and toads (90%)
REPTILES
main characteristics
thick,dry skin
amnicotic eggs (on land)
REPTILES
fertilization
internal
REPTILES
gas exchange (breathing)
lungs
REPTILES
examples
lizards,sharks,turtles,
tortoises,crocodiles, and alligators
WHAT ARE VERTEBRATES?
animals with a ________.
backbone
1.phylum to which vertebrates belong
2.vertebrates are the largest group of ______.
3.characteristics of ______.
chordata
_____- gives the body support
notochords
_____ ______ ______-spinal cord in vertebrates
hollow nord cord
_________ __________-develop into gills or other part of body
pharyngeal pouches
___-some chordatas only have this embryo stage
tail
1. have a segmented column of bones called vertebrae which surrounds the nerve cord
2.have well-developed head protected by a skull
vertebrates
_______- warm-blooded
endotherms
_______ _____ _____-are able to capture the energy released in the chemical reaction in their cells and are able to maintain a fairly constan temperature
birds and mammals
________-cold-blooded
ecotnerms
______,______,______-body temperature chandes with the environment
fishes,amphibians,reptiles
______-first vertebrates on earth
fish
______-have a thick dry skin which helps them live on land
reptiles
_________-obtain oxygen by gulping air into their lungs or by absorbing it though their skin
amphibians
______-all use lungs to breate air
reptiles
______-most have lateral line
fish
________-live part of their life in the water and part on land
amphibians
________-thought to be the ancestors of mordern birds and mammals
reptiles
________-have three classes: jawless, cartilaginous, and bony
fish
_______-undergo metamorphosis to charge from larval to adult form
ampibians
_______-lay eggs surrounded by a shell to protect them from drying out
reptiles
_______-most use gills to breate throughtout their life
fish
_____-live in almost every water environment
fish
________-often called ecological indicators due to their sensitivity to air and water pollution
amphibians
________-have stronger, more vertical legs
reptiles
________-eggs contain an amniotic sac filled with amniotic fluid
reptiles