Gilman Chpt 3 Vertebrates

Question Answer
Which is not a class of fish?
Names the groups of amphibians salamanders, caecilians, frogs and toads
Name characteristics of amphibians ectotherms, thin skin, live in water and land, breathe through lungs
What helps reptiles reduce water loss? thick skin
The vocal sac is or is not part of the amniotic egg? It is NOT
How do most reptiles breathe? lungs
How do most reptiles reproduce? internal fertilization
Are frogs and toads part of reptiles or amphibians? amphibians
Animals that can control their own body temperature are said to be what ? endotherms
Amphibians are often called what because they are sensitive to changes in the environment? ecological indicators
What big change made reptiles suited to live on land? amniotic egg
Reptiles, birds and animals have what that protects the embryo? amniotic eggs
Animals that live on land and on water are called what ? amphibians
When an immature animal form changes to an adult animal form it has gone through this? metomorphosis
What saclike organ allows amphbians to breathe? lungs
Immature frogs and toads that must live in water are called what? tadpoles
The line on boths sides of a fishes body are called what ? lateral line
When a organism depends on sources outside its body for heat they are called.. ectotherm
Animals that have a backbone are called? vertebrates
Animals that use chemical reactions in their body for heat are called? endotherms
a organ that exchanges oxygen from water with carbon dioxide from blood is called a gill
A gas filled sac used to control buoyancy? swim bladder
What are the most common reptiles? snakes and lizards
Name a fish that is a member of the largest class of fishes? goldfish
Which reptile has a narrow head and pointed snout (alligator or crocodile)? crocodile
Name a jawless fish lamprey
A cartilaginous fish does not have this? a bony skeleton
What animal looks like caecilians? earthworm
How do reptiles reproduce? internal fertizilation
Which group of reptiles have a shell? turtles and tortoises
This group has eyes and nostrils on top of their heads? crocs and gators
Name the most common reptile snakes and lizards
This reptile lives only in New Zealand tuataras

Our Natural Resources

Term Definition
Natural Resources those things which are provided by nature and are useful to us
Renewable resources which can be replinished after being used up
nonrenewable resources which cannot be replaced or renewed when once used up
decay the breakdown of dead plants and animals
loam a type of soil having a moderate amount of sand, silt, and clay
hydrologic (water)cycle the exchange of water among the surface of the earth, between plants and animals, and the atmosphere
mineral a naturally occurring substance mined from the earth
quarry a place where rock is dug from the ground, such as limestone
veneer a thin layer of high quality wood used to cover lesser quality wood
sawtimber trees that are cut and the wood used for a variety of products
pulpwood trees that are cut and ground up for use in the paper-making industry

Environmental Problems

Term Definition
EPA Environmental Protection Agency
pollution Contamination of a habitat with substances which make it less favorable for organisms
habitat loss When an organism loses a large part of its natural home
DDT Long-Lasting insecticide which caused the decline of some animal species (dichlor-diphenyl-trichlorethane)
ground water water standing in or moving through the soil and underlying rock layers (the source of water in wells and springs)
run-off the part of precipitation which flows over the land without sinking into the soil
erosion the washing away of soil particles by water, wind, ice, or earth movements such as landslides
topsoil the uppermost portion of the soil, which is richer in organic material and lighter in texture than the material below
silt fine mineral particles in the soil
clearcutting the cutting of all the trees in an area in one operation
sewage untreated waste material from homes and industry
siltation fine sand, or the like, carried by moving or running water and deposited as a sediment in our lakes and streams

Endangered Species

Term Definition
Carrying Capacity the number of organisms that can successfully live in an area
extinct a species of plant or animal which is no longer living on earth
endangered a species of plant or animal which is so low in number it may become extinct
threatened a species of plant or animal which is becoming scarce
habitat loss when an organism losses its home due to pollution
poaching the taking of animals illegally