1. Earthworms, crayfish and tadpoles are examples. 蚯蚓、小龙虾和蝌蚪都是实例。
2. Humans have 46 chromosomes, peas have 14, and crayfish have 200. 人类有46个染色体，豌豆有14个，而小龙虾有200个。
3. Today, New Zealand's Lake Taupo is a serene sheet of fresh water, beloved by crayfish and hikers alike. 今天，新西兰的陶波湖是一片宁静的淡水湖，为小龙虾和徒步旅行者所喜欢。
4. Some of Britain's most endangered wildlife, from red squirrels to native crayfish, are vanishing from the countryside at an alarming rate, a report warns. 英国的一项报告表明该国大多数濒临灭绝的野生物种，从红松鼠到当地小龙虾，正在以惊人的速度消失。
5. When crayfish are kept continuously in the dark, even for four to five months, their compound eyes continue to adjust on a daily schedule for daytime and nighttime vision. 当小龙虾持续被关在黑暗的环境中，即使是4到5个月，它们的复眼仍然可以继续按照日常生活时间，对昼夜视觉进行调节。
