Across
- 5. An animal that eats flesh or insects.
- 10. Cold-blooded vertebrate living on land but breeding in water.
- 11. A species of animal or plant that is seriously at risk of extinction.
- 12. The interaction of living and non-living things within a physical environment.
- 13. Any substance through which liquid or gas is passed to remove suspended impurities or to recover solids.
- 14. an organism that is dependent on ingesting other organisms or organic matter in a food chain.
- 15. Any alteration in the structure or function of an organism or any of its parts that results from natural selection and by which the organism becomes better fitted to survive and multiply in its environment.
- 17. Marine or freshwater plants that are single-celled colonial or multi-celled with chlorophyll but no true roots stems leaves flowers or seeds.
- 19. To fly (or travel) to another place in search of warmer climate.
- 20. A type of wetland that received most of its water supply from rainfall; found in northern Alberta.
Down
- 1. Moderately wet; damp; humid; not dry.
- 2. Are frequently or continually flooded wetlands characterized by emergent herbaceous vegetation adapted to saturated soil conditions changing water flows and mineral soils. They contain shallow water varying from 15 to 90 cm in depth. Expansive stretches of open water are uncommon and islands of vegetation are often present. These are the most common wetland type in North America.
- 3. Lives in or on water.
- 4. An extended period of abnormally dry weather that causes water shortages and crop damage. It starts when total rainfall is well below average for several months.
- 5. careful management of the environment and natural resources.
- 6. web A community of organisms where there are several inter-related food chains.
- 7. the process by which the surface of the earth is worn away by the action of water glaciers winds waves etc.
- 8. Concealment by some means that alters or obscures the appearance.
- 9. Eats plants (producers).
- 13. A wetland that receives most of its water supply from groundwater. It supports vegetation such as sedges grasses shrubs or trees. They contain more nutrients than bogs.
- 16. an organism usually a bacterium or fungus that breaks down the cells of dead plants and animals into simpler substances.
- 18. an organism that displays the capability for growth reproduction respiration metabolism and movement. They also are capable of responding to stimuli and evolve and adapt to their environment. They require energy to continue existing.