1- Which geological period saw the highest diversity of fishes?List the three main groups of armoured fishes that coexisted andradiated in this period and their main characteristics. Providesome possible explanations for their extinction.
2-Explain how a white shark (Charcharodon charcharias) located 2km away from a sea lion (Family Otariidae) can successfully detectand capture it. Describe all the possible senses and anatomicalstructures involved in providing information to the shark as ithomes in on the unsuspecting sea lion. Also include in your answerthe predation strategy of the shark, from attacking, to killing andeating its prey.
