Choose a word
Choose A Word
True Or False
Choose a word
Choose word
100
The number of members of a species is low that there is a possibility of extinction.
What is endangered species
100
animals have no migratory route
What is habitat fragmentation
100
biodiverstity provides our world with beauty.
What is true
100
when species lose their habitats, they may
What is lack shelter, be in danger of becoming extinct and lack shelter
100
when exotic species are introduced into an area, their populations may grow exponentially because the species
What is lack competitors and predators
200
What kind of animal is an example of an endangered species
What is black rhinoceros
200
a rain forest is burned
What is habitat loss
200
the loss of a species from an ecosystem usually has no effect because of the presence of other species in an ecosystem
What is false
200
habitat fragmentation often leads to
What is decreased species diversity withing an area
300
The population of a species begins declining rapidly.
What threatened species
300
a highway divides a forest
What is habitat fragmentation
300
biodiversity decreases the stability of ecosystems because more species are competing with each other
What is false
300
conditions where the boundaries of two ecosystems meet are called
What is edge effect
400
this animal is an example of an extinct species.
What is passenger pigeon
400
acid precipitation leaches nutrients from the soil
What is habitat degradition
400
increasing the biodiversity of an ecosystem may result in more niches
What is true
400
a great source of air pollution is
What is volcanic eruptions, burning fossil fuels and forest fires
500
all members of a species have died so the species no longer exists
What is extinct species
500
coral is mined for building materials
What is habitat loss
500
diseases are more likely to spread in an ecosystem with high biodiversity than in an ecosystem with low biodiversity.
What is false
500
the reduction of the ozone layer is caused by
What is CFC's
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