Causes of Species Extinction
Quiz by Marck John Paul Quilit
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- Q1
It is the termination of the whole population of the species.
Reproduction
Extinction
Migration
Propagation
30s - Q2
Which of the following is not classified as a natural cause of species extinction?
Pollution
Disease
Invasive species
Climate change
30s - Q3
The organisms’ habitat was made unsafe for their species due to the introduction of agricultural effluents making their population to decline tremendously. What might cause the extinction ofthe species?
Pollution
Invasive Species
Overexploitation
Climate change
30s - Q4
Melting of ice caps at faster rate in the polar region and violent typhoons in the tropical region are the reasons which destroys the nesting place of two species of birds making them incapable for reproduction and their entire species at risk of extinction. What drives their extinction?
Invasive species
Climate change
Habitat destruction
Disease
30s - Q5
Conservationist found that there is an endangered and endemic species of tree in the forest near your community. You volunteer to be part of their conservation team. Which of the following would not help in saving the population of the tree?
Plant trees that are not native to the area though you found out it is helpful to some species
Educate your community about the focal species.
Support establishment of nursery for the clonal plantation of theconcern species.
Partner with local government to create policies that will protect the species.
30s - Q6
How does habitat destruction cause extinction of species?
It leads to spread of diseases that exterminate species.
It leads to diminishing resources which increases competition among species
It leads to the rise of introduced species.
It leads to existence of shallow gene pools that promote massive inbreeding.
30s - Q7
How does the destruction of coral reefs and mangrove forests may contribute to species extinction?
Fish predators become massive innumber.
The oceans and seas become contaminated with heavy metals and other pollutants.
Breeding grounds and nurseries of marine species are destroyed.
Genetic exchange between corals would prosper.
30s - Q8
Deforestation, building of dams, conversion of forest to agricultural lands and urban development could cause species to decrease in number which, eventually, could lead to extinction. How?
They trigger calamities to occur which may cause mass extinction of species.
They destroy the habitat where species live, depriving them the chance to thrive and survive.
They pollute the environment causing species to die.
They cause widespread of diseases which may lead to mass extinction.
30s - Q9
Which illustrates how the introduction of new species may lead to extinction?
A bacterium in a lake increase in number due to continuous decomposition of dead organisms, dissolved oxygen declines, killing all the fishes in it.
A large predator, the Nile perch, was accidentally brought into Lake Victoria, it caused the extinction of half of the species of fish endemic in it.
A prey species becomes extinct, its predator loses its food source and consequently becomes extinct.
Amphibian populations have been on the decline worldwide caused by fungal infection of their skin which interferes with osmoregulation.
30s - Q10
Which illustrates how overexploitation may lead to extinction?
A species of fish was excessively hunt over their sustainable limit even during their breeding season.
A fisherman takes home two buckets of various fishes as he commenced his three-day catch.
A species of freshwater fish in the fish farm was harvested due to large supply.
A habitat-wide collection of wildlings for clonal propagation of endemic tree species.
30s