This printable crossword puzzle on the topic of Ecology & Evolution has 16 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Burning fossil fuels can cause a major problem to the environment and cause:
A group of plants and animals that live in a particular environment
A place that provides food, water and shelter for a group of organisms
The maximum population of species that can be supported in an area without causing permenant damage to the environment
A special type of organism that breaks down organic matter
An aquatic ecosystem that has no directional flow
The sphere where living organisms can be found
Something important in the production of many internal structures in plants and animals
One of the most important limiting factors that control maintaining ecosystem
Living
Organisms that are transported from one ecosystem to another and cause harm and destruction
The variety of different types of species in a community
Non living
The gaseous layer surronding the earth
Organisms that covert sunlight into energy
An aquatic ecosystem that has a directional flow