The Fascinating Evolution of Fish: How They Changed Over Time
Scientists have recently uncovered a groundbreaking discovery about how fish evolved. According to a new study, fish evolved from a common ancestor that was a four-legged animal. This ancestor, known as Tiktaalik, had some features of both fish and tetrapods, or four-legged animals. This ancestor also had limbs and a body shape that enabled it to move between water and land.
This new research shows that fish evolved from a four-legged ancestor, rather than evolving directly from a single-celled organism. This new discovery has far-reaching implications for our understanding of the evolution of life on Earth. It provides us with a better understanding of the evolutionary pathways that have led to the diversity of life we see today.
source: Phys.org