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30 questions
This is the disappearance of a particular population from a given area, but not the entire species globally.
extinction
extirpation
evacuation
evaluation
This is the extinction of a species one by one, not a sudden loss of many species
background extinction
mass extinction
fragmentation
biotic potential
This classification of risk means that the species is at serious risk of extinction.
threatened
vulnerable
endangered
extinct
The status of a "threatened species" means:
they are almost extinct
they are likely to become endangered
they are extinct
their numbers are increasing
The living planet index
tracks species decline
lists all animal species in the world
describes exponential growth
All of the following are causes for biodiversity loss, EXCEPT:
Habitat Loss
Invasive Species
Replanting trees
Pollution
Forest clearing, farming, and road building are all examples of
Biodiversity
Population distribution
Habitat loss
Climate Change
All of the following describe habitat fragmentation, EXCEPT:
Gaps form within a habitat
Patches of suitable habitat are surrounded by unsuitable habitat
Often a result of habitat loss
Increases the number of species
The greatest cause of biodiversity loss today is
Pollution
Habitat loss and change
Climate Change
Invasive species
All of the following affect biodiversity only in certain locations and times, EXCEPT:
Pollution
Invasive Species
Climate Change
Overharvesting
What must all living things do in order for their species to survive?
become endangered
reproduce
become fossils
change
The remains or trace of an organism that lived long ago is called...
fossil
species
extinct
endangered
A group of living things that can mate with each other to produce offspring, or young is called
species
endangered species
fossil
extinct species
Which event MOST LIKELY led to the extinction of the dinosaurs?
New predators for the dinosaurs appeared
An object from space crashed into Earth and the resulting dust blocked sunlight.
Pollutants were added to the environment
They left
If a species in no longer found living on Earth it is
pollutants
extinct
species
endangered
Harmful materials that people put into the environment are called
extinct
species
pollutants
fossils
Something that is in danger of disappearing, or becoming extinct is called
species
endangered species
fossil
extinct
A species becomes extinct when its members
die faster that they can reproduce
reproduce faster than they can die
depend on more than one resource food
have excess food supply
Which is NOT a reason why species have become extinct?
A climate changed from warm to cold
An object from space crashed into Earth and produced dust that blocked sunlight
New prey for the species appeared
Which event almost caused the bald eagle to become extinct?
An object from space crashing into Earth
The Carolina parakeet becoming extinct
The use of the pollutant DDT by people
Too many zoos
Habitat loss has led to the death of many of the prey of Georgia's wood stork. As a result, the wood stork is in danger of becoming extinct soon and is said to be
endangered
migrating
hibernating
extinct
Which statement is true?
Only human activities cause species to become extinct
Only natural events cause species to become
Both natural events and human activities can cause species to become extinct
Events in ____________ can cause a species to become endangered or extinct. So can human activities.
space
nature
ground
school
What is a species?
the place where an animal or plant lives
something a living thing does over and over again
a group of living things that can mate with one another
a living thing
The orangutan is endangered because...
there are too many of them
the forests they live in are being cut down
they can find food easily
there are no more alive
Which is not a reason that an animal might go extinct?
loss of habitat
pollution
excess food supply
hunting
A bird called the dodo is extinct. That means there are____.
many living dodos
dodos alive in zoos
no more dodos
a few still alive
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