Characteristics of Living Things Crossword

This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 3 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

What is the process of maintaining stable internal conditions when the surroundings change?
What describes organism that must get it's food (energy) from another living thing?
What is the last name of the person who disproved the idea of spontaneous generation by doing an experiment to see if bacteria would be created in boiled broth?
What is describes an organism made of many cells?
What describes an organism made of one cell?
What is an example of a unicellular organism?
What is another name for a living thing?
What is the mistaken idea that living things arise from non-living things?
What is the most abundant chemical in the cells of living things?
What do all organisms need to keep their bodies in balance (hint: one of the needs of living things)?
What is a change in an organisms surroundings that causes the organism to react?
What is defined as a change in an organisms behavior?
What type of reproduction does an organism reproduce by itself?
What type of reproduction requires a member of both sexes and results in genetic diversity?
What is defined as the process of becoming larger?
What is defined as a process of change that occurs during an organism's life to produce a more complex organism?
How many characteristics do all organisms share?
What is the last name of the person who concluded flies do not spontaneously generate from decaying meat?
What chemical in the cells of living things is used as the cell's energy source?
What chemical found in living things is the genetic material of the cell?

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