| What structure in fish filters wastes from their blood? |
| Lobe finned fish were ancestors to what other amphibian group? |
| What special problem do marine fish have? |
| What shape mouth do agnathans have? |
| How do agnathans get their food? |
| Why do land animals need stronger bones and muscles than fish? |
| Name three ways sharks can detect their prey. |
| What does the word “Agnatha” mean? |
| Which group of fish has a swim bladder? |
| What structure in fish gives them buoyancy? |
| What does “Chondrichthyes” mean? |
| Describe the scales in bony fish. |
| What covers the gills of bony fish? |
| What type of fertilization occurs in sharks? |
| What class of fish has bony skeletons? |
| Name the 2 classes of bony fish. |
| Do sharks have a swim bladder? bony fish? |
| What makes up the skeleton of sharks? bony fish? |
| What chordate characteristics do lampreys and hagfish keep as adults? |
