# 2Bir nechta javob variantiWhich characteristic is unique to mammals?Laying eggsBreathing with gillsHaving hair or furHaving scales
# 3Bir nechta javob variantiWhat is the main function of fish gills?To filter foodTo breathe underwaterTo protect from predatorsTo help with balance
# 4Bir nechta javob variantiWhich animal is known for its ability to change color for camouflage?ChameleonElephantKangarooPanda