Vertebrates & Invertebrates Crossword Puzzle

QUESTIONS LIST:

• fish : breathe using gills
• vertebrate : animal with backbones
• bird : have bills or beaks
• mollusk : most have shells;bodies in 5 parts
• echinoderm : covered in spikes or spines
• mammal : has hair or fur; breathe using lungs
• reptile : scaly skin; cold-blooded
• amphibian : has no scales; lays eggs
• porifera : also known as sponges
• cnidaria : has tentacles with stinging cells
• arthropod : jointed legs; has more than one body section
• invertebrate : animal with no backbone
• annelid : also known as worms