This printable crossword puzzle on the topic of Ecology & Evolution has 13 clues. Answers range from 7 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Rainwater, snow, or fog that contains dissolved chemicals, such as carbon dioxide, that makes it acidic.
Describes the non-living things in an ecosystem e.g. temperature, humidity, soil
Animal that has an exoskeleton, a segmented body and jointed legs e.g. insects, crabs
An organism that produces its own food by photosynthesis.
Smallest life form. Some types are responsible for decay and disease.
Describes the living things in an ecosystem e.g. plants and animals
Are animals that eat other animals
The control of plant or animal pests by the use of chemicals
Green-coloured chemical in plants that absorb light energy used in photosynthesis to make food from carbon dioxide and water
Animals competing for food, water and nesting materials. Plants compete for nutrients, water and light.
Organisms that feed on other organisms, or on material derived from them.
Decomposers include bacteria and fungi; they recycle organic material within the ecosystem by breaking down dead bodies of plants and animals making nutrients available for plants.
Branching in two