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Title: Placoid scales are found on: Post by: anja@phs.ae on Mar 29, 2018 Placoid scales are found on:
a. fleshy-finned fishes. b. cartilaginous fishes. c. ray-finned fishes. d. lampreys. e. hagfishes Question 2 Lungs first evolved in which group? a. cartilaginous fishes b. bony fishes c. lampreys d. coelacanths e. lungfishes Title: Placoid scales are found on: Post by: ddd856 on Mar 29, 2018 b b |