Data-Based Question: Classifying Cartilaginous Fish
1a. 2 orders are needed to classify the 8 species of fish. They ca be separated s we into two groups–the flat (stingray) fish and the thin streamlined fish (shark-like).
2. The fish on the right in the middle row, since this fish seems like a cross between the streamlined fish and flat/square fish. It has a flat body but a streamlined tail.