Question

Plants or animals become extinct when
(a) there is a sudden change in the climate.
(b) their habitat is destroyed by human beings.
(c) animals are hunted for sport.
(d) all of the above

Answer 1

(d) all of the above
A sudden change in environment, loss of habitat and hunting cause threat to the life of animals. These factors cause them to get killed in large numbers and thereby posing an extinction risk.