This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 7 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A sponge is the ancestor of every animal speices on earth according to what theory ?
6 rayed spicules
Organisms in Phylum Porifera have what kind of symmetry?
Because sponges in class Hexactinellida are made of silica, they are often given this name....
The body form of a sponge depends on the placement of the...
sponges are ________. (Can't Move)
Sponges are have both male and female parts, they are _________.
Kingdom________
Sponges with sponging and/or oddly shaped spicules
Tube or vase shaped sponges with 3-4 rayed spicules