live in water, scales, most are ectotherms, obtaining oxygen from gills, and having fins
Name 3 of the characteristics of fish.
100
A notochord, nerve cords that run down their back, and pouches in their throat area.
At some point in their lives, vertebrates have what 3 things?
200
Mammary Glands, Most Born Alive, Skin With Fur or Hair, Endothermic, and A 4-Chambered Heart.
What are 2 characteristics of mammals?
200
Contour feathers are large and give a birds shape while down feathers are short, fluffy feathers that traps heat and keeps a bird warm.
What is the difference between contour feathers and down feathers?
200
an egg with a shell and internal membranes that keep the embryo moist.
What is an amniotic egg
200
a tissue that is more flexible than bone.
What is cartilage
200
The kidneys are two bean-shaped organs that extract waste from blood, balance body fluids, form urine, and aid in other important functions of the body.
What are the functions of kidneys?
300
The diaphragm is the primary muscle used in the process of breathing. without one you would not be able to breath.
What is the function of a diaphragm
300
Air sacs are extensions of a bird's lung cavity that allow it to obtain more oxygen.
What are air sacs
300
The larvae of a frog or toad.
What is a tadpole?
300
by mostly external fertilization but also internal fertilization.
how do fish reproduce?
300
The oxygen-rich blood doesn't mix with the oxygen-poor blood. Therefore, blood carried to the cells of the body have plenty of oxygen
Why is a 4-chambered heart efficient
400
Rodents
What is the highest percentage of mammals?
400
the crop stores food while the gizzard grinds it.
What is the purpose of a crop and gizzard?
400
Alligators and Crocodiles.
What is the only reptile that has a 4-chambered heart?
400
jawless fish, cartilaginous fish, and bony fish.
What are the three types of fish?
400
The Atria receives blood and the Ventricle pumps blood out to the lungs and body.
which part of the heart receives blood and which part of the heart pumps blood out to the lungs and body?
500
Incisors, Canines, and Molars.
What are the 3 types of teeth mammals have?
500
No teeth, wings, hollow bones, contour feathers, and large chest muscles.
What are 3 examples of how a birds adapted for flight?
500
By contracting bands of muscles attached to the ribs and their backbones.
How does a snake move?
500
a swim bladder
What is the one thing that only a bony fish has?
500
lift is the difference in pressure above and bellow the wings as a bird moves through the air producing an upward force that causes the bird to rise.