This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Tubelike muscular organ
A group of nerve cell bodies that coordinates incoming and outgoing nerve signals
Bulblike __________ lined with cilia sweep water and excretory substances into tubules
A process in which body parts that are missing due to damage or predation can be regrown
A knop-shaped structure with hooks and suckers that attach to the intestinal lining of a host such as a cow or human.
Contains muscles , nerves, flame cells, and male or female reproductive organs
A worm of a phylum that includes the planarians together with the parasitic flukes and tapeworms.
A class of platyhelminths or flatworms, mostly aquatic and having cilia on the body surface
A class of parasitic worms of the flatworm phylum. They are informally referred to as cestodes
A class within the phylum Platyhelminthes. It includes two groups of parasitic flatworms, known as flukes. They are internal parasites of molluscs and vertebrates. Most trematodes have a complex life cycle with at least two hosts