This printable crossword puzzle on the topic of Ecology & Evolution has 24 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The organizing of items into groups based on common characteristics.
The science of defining and naming groups of biological organisms on the basis of shared characteristics.
Animals with backbones that surround the spinal cord.
An animal with no backbone
I have gills and scales. I am cold-blooded. I live in the water.
I have feathers, wings, and a beak. I lay hard shell eggs.
I start out with gills and live in water. When I grow up I have lungs and live on land. I lay jelly eggs. I am cold-blooded.
I have skin, hair, and lungs. I can produce milk. I am warm blooded. I live on land.
I have scales and lungs. I am cold blooded. I live mostly on land. I lay soft shell eggs.
I have an unsegmented soft body. I have a shell and a muscular foot.
I have jointed legs, a segmented body, and an external skeleton. I live mostly on land.
I live in the water. I have an unsegmented simple body with tentacles.
I have a simple tubular body. I may be segmented. I am asexual.
A group of living organisms that can make their own food
A type of plat with special tubes that carry food and water to all parts.
A vascular plant with flowers that produces seeds and fruit.
A plant with no flowers and reproduces via spores.
A vascular plant that produces seeds, but no flower or fruit.
A group of non-vascular plants with no roots, seeds, or spores.
A multi-cellular organism that gets energy from eating other living things.
Living things that do not fit inot any other kingdom.
Multi-cellular organism that cannot make its own food, as plants can. It absorbs food from dead organisms in its surroundings.
One-celled living things found in or on other organisms. They come in rod, round or spiral shapes.
One-celled organism often found in hot springs, or salt water environments.