'As a group, spiders have 7 different types of glands to produce this fiber'
silk
ARACHNIDS: As a group, spiders have 7 different types of glands to produce this fiber
As a group, spiders have 7 different types of glands to produce this fiber
As a group, spiders have 7 different types of glands to produce this fiber
ARACHNIDS
silk
ARACHNIDS