although polar bears usually look white.their fur(毛) isn't white at all. And their skin(皮肤) is black! Our hair gets its colour because of something called pigment(素). Different kinds of pigment make different c
1英语翻译Most bears are brown in colour.polar bears have white,or yellow-white coats,which help them blend into their snowy Arctic haditai,Pandas have striking biack-and-white markings.Bears have thick fur,which helps to keep them warm-and makes look even bigger than they actually are.反馈...
英语翻译Most bears are brown in colour.polar bears have white,or yellow-white coats,which help them blend into their snowy Arctic haditai,Pandas have striking biack-and-white markings.Bears have thick fur,which helps to keep them warm-and makes l
Comparative genome analyses reveal the unique genetic composition and selection signals underlying the phenotypic characteristics of three Chinese domestic goat breeds 2019, Genetics Selection Evolution Exploring differentially expressed genes associated with coat color in goat skin using RNA-seq 2019, Canadian...