This printable crossword puzzle on the topic of Ecology & Evolution has 10 clues. Answers range from 6 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
___________are where they mix salt and fresh water together
___________ is trees and bushes that are on the coastline
_____________ cling to ice at the poles, and are found in shallow waters
______________ are shelled reptiles
_________ ______ are creatures with many spikes on them
__________ _________ are homes to many animals and they are underwater ecosystems
_________ _______ is an edible seaweed
________ ______ are a type of crustaceans that are shelled
______ ______ are a marine echinoderm
______ are any number of bivalve mollusks