Show:
Vertebrates
Fish Characteristics
Kinds of Fish
Amphibians
Kinds of Amphibians
100
bones that interlock to form a column to surround and protect the spinal cord
What is vertebrate
100
fan shaped structures that help fishes move
What is fins
100
Number of classes of fishes living today
What is three
100
saclike organ that takes oxygen from the air and delivers it to the blood
What is lung
100
more than 5,400 species of amphibians alive today are separated into these three groups
What is caecillans, salamanders, and frogs and toads.
200
tough material that the flexible parts of our ears and nose are made of
What is cartilage
200
bony structures that procect the body of a fish
What is scales
200
class of fish that has a smooth, slimy skin, skeleton made of cartilage, and a round, jawless mouth. Examples include lampreys and hagfish.
What is jawless fishes
200
what the word amphibian means
What is double life
200
most salamanders live on this continent
What is North America
300
warm blooded animals that use energy released by the chemical reactions in their cells to warm their bodies
What is endotherm
300
a row or rows of tiny sense organs that detect water vibrations
What is lateral line
300
class of fish that has fully functional jaws, and are strong swimmers and expert predators. Examples include sharks, skates, and rays.
What is cartilaginous fishes
300
two ways amphibians can breathe
What is gulping air into their lungs and through their skin
300
because amphibians are very sensitive to environmental changes, they are sometimes called
What is ecological indicators
400
coldblooded animals that depend on sources of heat outside themselves
What is ectotherm
400
an organ that removes oxygen from the water
What is gill
400
class of fish that has a skeleton made of bone and bodies covered by bony scales. Examples include lobe-finned fishes and lungfishes.
What is bony fishes
400
characteristic of some amphibians that warns away predators
What is brightly colored skin
400
three reasons amphibians are sensitive to environmental changes
What is thin skin absorbs chemical in water, lungs take in chemicals in the air, and body temperature depends on temperature of the environment.
500
four body parts that all chordates have at some point in their life
What is pharyngeal pouch, hollow nerve chord, notochord, and a tail
500
method by which most fish reproduce
What is external fertilization
500
this class of fish stores oil in their livers to help them stay afloat.
What is cartilaginous fishes
500
why most amphibians live in water or in damp areas
What is their thin skin
500
group of amphibians that are most like prehistoric amphibians in overall form
What is salamanders