ers have 18.4 white perth Moore amenicana, anaiomy Inset photo shows of the urog
ID: 206345 • Letter: E
Question
ers have 18.4 white perth Moore amenicana, anaiomy Inset photo shows of the urogenital pore and anus of a femde Check Your Progress 2.1 Is your specimen male or female? How do yoe k used more 2.2 Does most of a fah's power for movemment coeme from the tail or froem other 2.3 What feamwires of the bead ngresuent homologies sjother vecbee groups? other vertebrate groeps? 18 2.4 Which fins would be used no slow the fish after a qeaick barst of speed 2.5 What is the function of the lateral lines along the fish's body?Explanation / Answer
2.1. The specimen is a female. Because it has urogenital pore.
2.2. Most fish use fins when swimming. Because fins are used for direction. But the whole body is used to propel the fish.
2.3. There are some specific features of the head represent homologous to other vertebrate groups are – specific pairs of sensory organs such as eyes, ears, nose.
2.4. Pectoral fins would be used to slow the fish after a quick burst of speed. These fins are often used by fish for slow to moderate speed locomotion and can undergo complex conformational changes as the fin beats.
2.5. Lateral lines along the fishes’ body are specialized sensory organs that detect vibrations and current directions in the water.
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