invertebrate
fish
amphibians
reptiles
mammals
100
an organism that can have a notochord, a nerve cord and slits in their throat area?
Chordates
100
vertabrate that lives in water and used fins to move
What is a fish ?
100
these organisms begin their life in water and spend their adulthood on land, returning to water to reproduce.
What is an amphibian?
100
an ectothermic vertebrate taht has lungs and scaly skin
What is a reptile
100
endothermic vertebrate that has feathers, lays eggs and a four-chambered heart.
What is a bird
200
flexible rod that supports a chordates back
What is a notochord ?
200
What kind of respiratory and circulatory system is in a fish
two chambered heart
200
the larva of a frog or toad
What is a tadpole?
200
an adaptation that helps keep water inside a reptile's body.
What is a kidney?
200
one ofthe large feathers that extend beyond the body on the wintgs and tail (flight feathers)
What are contour feathers
300
a row of similar bones that make up the backbone
What is vertebrae .
300
organ used to obtain oxygen in fish
What are gills ?
300
In this stage the tail of a frog is absorbed and development is completed.
What is the last stage in the life cycle of a frog?
300
the wastes excreted in a watery fluid
What is urine
300
short, fluffy specialized structures used to trap heat and keep the bird warm
What are down feathers
400
organism that has a backbone that is part of its internal skeleton
What is a vertebrate ?
400
3 Major groups of fish
What are jawless fish, cartilaginous fish, and bony fish?
400
organs of air breathing vertabrates in which oxygen moves from the air into the blood
What are lungs?
400
an egg with a shell and intenal membranes that keep the embryo moist
What is an amniotic egg
400
structures that suply a large amount of oxygen to a bird.
What are air sacs?
500
organisms whose bodies do not produce much internal heat
What are ectotherm ?
500
Internal gas-filled sac that helps the fish stay stable at different depths in the water
What is swim bladder?
500
this organ is composed of the atria and ventricle.
What is a three chambered heart?
500
three major groups of reptiles
What are lizards and snakes, alligators and crocodiles, and turtles
500
organs adapted and specialized to process food
What the crop and the gizzard?
M
e
n
u