21) What is the biggest threat to most mammal species?
b) Habitat loss
c) Overhunting
d) Pollution
Answer: b) Habitat loss
22) Which mammal is known for its exceptional swimming and diving abilities?
a) Sealion
b) Beaver
c) Otter
d) Penguin
Answer: c) Otter
23) What is the mammalian order to which kangaroos belong?
a) Carnivora
b) Rodentia
c) Marsupialia
d) Primates
Answer: c) Marsupialia
24) What is the largest land-dwelling carnivorous mammal?
a) Lion
b) Tiger
c) Polar bear
d) Wolf
Answer: b) Tiger
25) Which mammal has the longest migration route?
a) Wildebeest
b) Zebra
c) Penguin
d) Caribou
Answer: d) Caribou