4759054
Description
Flashcards by james liew, updated more than 1 year ago
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Created by james liew
almost 9 years ago
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| Question | Answer |
| What is Ecology? | Is the study of the interactions between living things and between living things and their enviroments |
| What is a Biosphere? | Is that part of the Earth containing living organisms |
| What is a Ecosystem? | Is a group of organisms that interact with each other and with their enviroment |
| What is a Habitat? | Is the place where an organism lives |
| What are Abiotic Factors? | are non-living features of the environment e.g. Aspect, Soil pH, Climate, Exposure |
| What are Biotic Factors? | are living factors e.g. Food, Competition, Predation, Parasitism |
| What are Climatic Factors? | is weather over a period of time e.g. Temperature, Rainfall, Light Intensity, Wind |
| What are Edaphic Factors? | relate to the soil e.g. Soil pH, Soil Type, Humus |
| What are Aquatic Factors? | relate to organisms living in or near water-based environments e.g. Currents, Wave action, |
| What is the main source of energy for the Earth and its ecosystems? | The Sun |
| What does Flora mean? | plants and algae |
| What does Fauna mean? | animals |
| What is a grazing food chain? | A grazing food chain is a sequence of organisms in which each one is eaten by the next member in the chain |
| What is a Food Web? | A food web consists of two or more interlinked food chains |
| What is a producer? | A producer is an organism that makes its own food |
| What is a consumer? | A consumer is an organism that takes its food from another ogranism |
| What is a herbivore? | A herbivore is a organism that feeds on flora |
| What is a carnivore? | A carnivore is an organism that feeds mainly on meat |
| What is a Pyramid of Numbers? | A pyramid of numbers represents the number of organisms at each stage (trophic level) in a food chain |
| What type of pyramid of numbers is this? | An inverted pyramid of numbers |
| What is a Niche? | A niche is the fundamental role of an organism in an ecosystem or habitat |
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