The egg develops directly into a free-swimming larva of bilateral structure, adapted in most cases for pelagic life; within this larva there is gradually formed a body with radial structure and ...

Scientists have recently discovered a marine invertebrate with the remarkable ... can regress from an adult stage back to a larval form under extreme stress, as detailed in a new study published ...

When it emerges as an adult, a Hine's emerald dragonfly's eyes are brown, turning bright green within three days. FEEDING: Larvae are voracious predators and feed day and night. They capture a wide ...