This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
attached directly by its base without a stalk or peduncle.
the process or state of breaking or being broken into small or separate parts
Asexual reproduction
a diffuse network of neurons that conducts impulses in all directions from a point of stimulus.
explosive cell containing one giant secretory organelle or cnida
a specialized cell in the tentacles of a jellyfish or other coelenterate, containing a barbed or venomous coiled thread that can be projected in self-defense or to capture prey
a solitary or colonial sedentary form of a coelenterate such as a sea anemone, typically having a columnar body with the mouth uppermost surrounded by a ring of tentacles
free-swimming sexual form of a coelenterate such as a jellyfish, typically having an umbrella-shaped body with stinging tentacles around the edge
feeding by filtering out plankton or nutrients suspended in the water.
an animal of the Metazoa division.
a minute sharp-pointed object or structure that is typically present in large numbers, such as a fine particle of ice.
a flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges
a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
are flat cells found on the outermost layer of a sponge
primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).