PORIFERA AND CNIDARIA Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 5 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Animals without a backbone.
They are the simplest animals without organs.
An organism that does not move. It remains attached to one place. Examples: sponges (porifera) and polyps (cnidaria).
Animals that take oxygen and nutrients suspended in water, such as sponges.
Opening at the top of a sponge where water exits.
Without planes of symmetry such as sponges.
Tiny openings.
A type of asexual reproduction in which a new individual develops from an outgrowth on the body of animals like poriferans or cnidarians.
Animals that produce sperm and ova in the same body.
Animals with many planes of symmetry such as cnidarians.
Stinging cells
A freshwater cnidarian, exists only in polyp form and reproduces asexually by budding.
Colonial polyps that secrete calcium carbonate skeletons.
Marine cnidarians that have tentacles and live as sessile polyps.
Cnidarian that lives as medusa stage but some medusas have a two stage life cycle in which they reproduce sexually (medusa stage) and asexually (polyp stage).
