This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 5 to 22 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
digestion that happens inside cells
having both male and female reproductive organs
kingdom: Animalia phylum: Cnidaria
network of nerves
umbrella-shaped body/ swim freely cnidarian
cup-shaped tubular cnidarian
aka sponges
tiny needlelike structures on sponges
spongier material on sponges
flagellated cells on inside of sponge
waste products are ejected from the sponge through this
polyps attach to hard surfaces with
a hollow place in the polyp where digestion and food circulation take place
cnidarians are named after
leads to coral death