This printable crossword puzzle on the topic of Ecology & Evolution has 30 clues. Answers range from 5 to 21 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Are animals unicellular or multicellular?
What animal has the simplest skeleton?
How do animals reproduce?
Head or front end of animal?
Belly or lower surface of animal
What animals form a mouth first?
Animal with its senses concentrated at its head?
Gains energy by consuming others
A fertilized egg
Inner germ layer
Central cavity of blastula
Non backboned animal
Animal with a backbone
What phylumn do insects belong to?
What phylumn do jellyfish belong to?
What phylumn are humans in?
What is the larva of cnidarians?
What is the larva of mollusks
An internal body cavity lined with mesdoderm
animals with a coelom
forms skin, nerves, & sense organs
forms muscles, circulatory system, reproductive & excretory systems
a toxic waste that must be gotten rid of in an animals body
clusters of nerve cells
animals that produce both sperm and eggs
fertilization that occurs inside body of female & larger numbers of eggs are produced
fertilization that occurs inside body of female & fewer numbers of eggs are produced
organs that filter blood in vertebrates
small, hair like structures used to eat or move
interprets nerve impulses & sends a response