Some larvae extend the galleries to form niches.許多幼蟲(chóng)將坑道延伸擴(kuò)大成壁龕.In his view differences in adaptation are insufficient to create niches commensurate in number and kind.按照他的觀點(diǎn),適應(yīng)的差異不足以在數(shù)量上和種類(lèi)上形成同量的小生境.Species occupying the...