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54 Cards in this Set
- Front
- Back
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Which creatures have a notochord, a nerve cord, and pharangeal slits?
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Chordates
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What is a flexible rod that supports the animal's back?
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Notochord
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What is a connective tissue that is softer than bone, but flexible and strong?
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CARTILAGE
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What is the backbone part of?
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THE ENDOSKELETON
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Ware bones of the backbone, lined up in row like beads on a string?
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Vertebrae
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An animal whose body does NOT produce much internal heat
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ECTOTHERM
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An animal whose body does control and regulates it's temperature by controlling the internal heart it produces is ___?
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ENDOTHERM
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An ectotherm body temperature changes depnding on what?
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ENVIRONMENT
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What is the hardened remains or other evidence of a living thing that EXISTED LONG AGO?
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FOSSIL
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What is the hardened layers of sediment.?
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SEDIMENTARY ROCK
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What is a vertebrate that lives in water and moves with fins?
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Fish
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What kind of body temperature does a fish have?
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ecototherms with gills and scales
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How do the gills work?
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as water flows over the gills, oxygen mvoes from the water into the fish's blood, while carbon dioxide, a waste product moves out of the blood and into the water.
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What does a fish spend most of its time doing?
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hunting for food and feeding
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What kind of reproduction does a fish have?
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most use EXTERNAL REPRODUCTION
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There are three groups of fishes without jaws Name some fish in that group?
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LAMPREY AND HAGFISH
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Besides not having a jaw some fish do not have ____?
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scales
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Cartilaginous Fish have a skeleton of ______ instead of bone.
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cartlidge
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What is a shark's body like?
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It is a caratilaginous fish that is very streamlined for quick movement.
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Cartilaginous Fish are always on the _____ and must have ____ moving across their _____ to breathe.
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move
water gills |
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What is the most familiar category of fish?
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BONEY FISHES
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What allows a boney fish to regulate its buoyancy?
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The swim bladder by using gas in the bladder to affect its buoyancy
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What is the force that water exerts upward on any underwater object?
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BUOYANT FORCE
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Boney Fish make up about __% of all fish species.
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95%
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Boney Fishes live in ___ and ___ water, at ____ depths and levels.
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salt
fresh all |
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What is problem with fishing and how do you solve it?
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Overfishing and you solve it by creating fish farms and laws to control overfishing.
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Which creatures lead a "double life"?
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AMPHIBIANS
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What are amphibians said to have a double life?
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They begin their lives in the water and then move to adulthood on land. They return to the water to reproduce.
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Describe the first stage of amphibians.
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Gills to Lungs- is the stage when movement from water ot land takes place. then gills are changed to lungs as animal develops
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What is Amphibian Circulation and how does it work?
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a two loop system with 2 atria & 1 shared ventricle. First loop goes from the heart ot the lungs to oxygenate the blood. The second loop takes the oxygenated blood to the body.
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Describe reproduction and development.
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eggs must be kept moist. Some have a jelly like substance that keeps moist. Early stages of life are in the water like tadpoles. as they develop they move to land.
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What is metamorphosis?
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the word used to described the complete change of an of an organism.
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What helps amphibians get around on land?
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Strong skeletons and muscles help these animals move on land.
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Which amphibians have the long strong hind legs made for jumping?
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Toad and frog
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What creature keeps it tail as an adult?
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Salamander
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Are Salamanders adapt for jumping? Why is this significant?
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No they are not adapt for jumping and they stalk their prey.
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Wher do Salamanders live?
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some live in water and some don't live their all their lives. The ones that live in water all their lives don't develop lungs
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Why are Amphibians in Danger?
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because they are more sensitive to environmental changes and pollution
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Which creatures are ectothermic vertebrates that have lungs and scales?
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REPTILES
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How are the eggs of a reptile kept from drying out?
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the shell
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How do the skin and kidneys of reptiles help them
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the skin retains moisture
the kidneys help to regulate water levels |
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How do reptiles obtain oxygen from the air?
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like adult amphibians with a circulatory system that has two loops
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Most reptiles are ______?
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Lizards
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What is the lizard skin covered with and what happens to it as they grow/
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Covered with scales and it sheds as they grow
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Which reptile has no legs and a streamlined body.
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SNAKES
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How many lungs do snakes have?
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MOST only have ONE
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How do snakes move?
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Muscles contrations move the body back and forth or sise to side for locomotion
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How do snakes feed?
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By swallowing animals that often larger than they are. The detach their JAW to allow the mouth to open wide?
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Which reptile has a hard shell covering its body?
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Turtles
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What is a turtle shell made from?
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Its ribs and backbone
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What are the feeding habits of turtles?
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They are diverse and some are carnivors that eat poisonous fish to total vegetarians.
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Which reptiles are carnivores with extremely strong jaws?
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crocodiles and alligators
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How large can crocs and alligators grow?
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up to 5 meters and are the "largest living reptilesd"
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What are the extinct reptiles??
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DINOSAURS
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