+놀이북 4쪽과 함께 보세요! “무시무시한 ‘농도 괴물’이 나타났다!”여기는 물이 깨끗하기로 유명한 ‘맑은 물 마을’.그런데 오늘, 농도 괴물이 마을에 쳐들어온대요!온몸이 끈적한 초록색 액체로 뒤덮인 농도 괴물은 마을을 온통 끈적하게 바꿔버리고 말 거예요.마을 주민들은 똘똘 뭉쳐 ...
though it is 80 million years old, it is an advanced bee, not very different from those alive today. It is a stingless honeybee belonging to a family of bees that still exists in tropical regions. Presumably, New Jersey, 80 million years ago, was considerably warmer than it is now.To have evolved to that advanced stage of development 80 million years ago, bees must have formed long before ...