(par 4.2.3 ) The Biological Communities
http://en.wikibooks.org/wiki/Ecology/Biological_community A community or biocoenosis is an assemblage of organisms (species populations) whose composition and aspect is determined by the properties of the environment and by the relations of the organisms to each other (modified from Braatne, 2005). Möbius proposed the term biocoenosis in 1877 in his study of oyster reefs in the North Sea, recognizing that interactions between species in a structurally […]
(par 4.2.3 ) Animal and Plant Adaptations and Behaviours
http://www.bbc.co.uk/nature/adaptations Adaptations help organisms survive in their ecological niche or habitat; adaptations can be anatomical, behavioural or physiological. Anatomical adaptations are physical features such as an animals shape. Behavioural adaptations can be inherited or learnt and include tool use, language and swarming behaviour. Physiological adaptations include the ability to make venom; but also more general […]
(par 4.2.3 ) Terrestrial ecosystem (taken from wikipedia)
From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Terrestrial_ecosystem A terrestrial ecosystem is an ecosystem found only on landforms. Six primary terrestrial ecosystems exist: tundra, taiga, temperate deciduous forest, tropical rain forest, grassland and desert. A community of organisms and their environment that occurs on the land masses of continents and islands. Terrestrial ecosystems are distinguished from aquatic ecosystems by the lower availability of water and the consequent importance of water […]