vertebrates/minisink 7th grade
Terms
undefined, object
copy deck
-
fish class
Is reproduction internal or
external? - external
- list the five classes of vertebrates
-
fish
amphibian
reptile
bird
mammal - which classes lay eggs in water
- fish and amphibian
- which classes lay eggs on land
-
bird
reptile - which classes are cold blooded
-
reptile
fish
amphibian - 1. which class has scaly skin
- reptile
- what is the purpose of scaly skin on reptiles
- to prevent water loss
- in the bird class how are the groups determined
- by their feet and beak shapes
- ducks have what kind of feet
- webbed feet
-
the ducks feet are webbed.
what is their purpose - for swimming
- what shape beak does the duck have?
- flat bill
- what is the purpose of the flat bill(beak) of the duck?
- for scooping mud
- What kind of claws do the falcons and eagles have
- sharp, taloned (curved) claws
- the sharp taloned(curved) claws of the falcons and eagles are for what purpose
- catching prey
- what shape beaks do the falcons and eagles have
- sharp, curved beaks for tearing prey apart
- what glands in female mammals produce milk to nurse young
- mammary glands
- what are the three stages of metamorphisis of amphibians
-
1. egg(jelly like protective layer)
2. tadpole
3. adult -
the ampnibian skin must be moist.
why? - so they can take in oxygen
- what do fish have that fills with gas. It allows fish rise and lower itself
- air bladder
- what fish must keep moving or they will drown
- shark
- sharks and rays skeletons are made out of___________
- cartilage
- jawless fish - lamprey and hagfish skeletons are made our of
- cartilage
- in fish fins are used for _________
- swimming
- in fish gills are used for____________
- absorption of oxygen from water
- in fish the rings on scales tell what?
- age of the fish