Across
- 3. What refers to the quantity or amount of something?
- 6. What do you call any organism that eats another organism?
- 7. What is a term used for an animal hunted or seized for food, especially by a carnivorous animal?
- 10. What refers to all the living and non-living components that constitute an organism's surroundings?
- 12. What is a measure of the acidity or alkalinity of a substance, its relative concentration of hydrogen ions in solution called?
- 13. What refers to the increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain
- 15. What do you call bacteria or fungi that bring about the decay of organic material?
- 18. What is the term used for describing the group of animals that eat only plant matter?
- 19. What is the term for an organism which only feeds on animals?
- 21. What do you call a relationship between two species in which one benefits while the other is not disadvantaged?
- 22. What word refers to the SI unit of illuminance, equal to one lumen per square meter?
- 23. What is the interaction between organisms trying to obtain resources such as food, water, shelter, mates and nesting sites in an area referred to as?
- 24. What term is used for the region inhabited by an organism?
- 27. What terms is used for a recurring series of events or metabolic processes in the lifetime of a plant or animal?
- 28. What refers to the inhibition of one species by another by the secretion of chemical substances?
- 31. What term is used for relating to non-living things?
- 32. What refers to organic matter produced by the decomposition of organisms?
- 33. What do you call any organism that use light energy to produce organic substances from the material they take in from their physical surroundings?
Down
- 1. What term is used for relating to living things?
- 2. What term is used for an area of ground surface, used as a sampling unit in population studies?
- 4. What word is refer to as a self-sustaining set of organisms and their non-living surroundings?
- 5. What kind of organism is an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense?
- 8. What is the chemical process by which chlorophyll containing plant cells use light to make organic compounds from inorganic ones called?
- 9. What is a series of chemical reactions which leads to the breakdown of carbohydrates using oxygen and releasing energy called?
- 10. What is the enrichment of lakes and waterways as a result of the leaching of nutrients called?
- 11. What term is used when something is relating to nutrition or feeding?
- 12. What is a term used for an organism that eats other organisms, usually thought of as involving the consumption of animals by animals but it can also mean the eating of plants?
- 14. What do you call the close relationship between organisms of different species in which both benefit?
- 16. If an organism is relating to the land as opposed to water, what is it called?
- 17. What is the amount of dissolved salt in water called?
- 20. If an organism is relating to water and lives or grows in water, what is it called?
- 25. What refers to the total mass of the organisms in an area?
- 26. What is a straight line cross-section of an area called?
- 29. What is used for the brain to consume about 20% from you body but makes up only 2% of your body weight?
- 30. What is a term used for a genetically determined characteristic of form, function or behaviour that makes an organism suited to live in its environment?