# 2Lựa chọnWhich characteristic is unique to mammals?Laying eggsBreathing with gillsHaving hair or furHaving scales
# 3Lựa chọnWhat is the main function of fish gills?To filter foodTo breathe underwaterTo protect from predatorsTo help with balance
# 4Lựa chọnWhich animal is known for its ability to change color for camouflage?ChameleonElephantKangarooPanda
# 5Lựa chọnWhich characteristic is typical of amphibians?Having scalesLiving in both water and landFlyingHaving feathers
# 6Lựa chọnWhat feature is most associated with mammals?Laying eggsGiving birth to live youngHaving gillsHaving feathers
# 7Lựa chọnWhich characteristic is common to all birds?Having scalesHaving feathersHaving finsLiving underwater
# 9Lựa chọnWhich characteristic is typical of primates?Having feathersWalking on four legsOpposable thumbsLaying eggs
# 10Lựa chọnWhat is a unique feature of birds of prey?Having sharp beaksSwimmingHaving furLaying eggs
# 11Lựa chọnWhat characteristic is shared by all mammals?Having scalesProducing milkHaving feathersLaying eggs
# 12Lựa chọnWhat is a notable characteristic of reptiles like snakes?Having furShedding their skinFlyingLiving in water