Ecology is the study of how organisms interact with each other and their environment. It considers processes that occur at the population, community and ecosystem levels and has a particular focus on ...

Forest ecology is the study of all aspects of the ecology of wooded areas, including rainforest, deciduous and evergreen, temperate and boreal forest. It includes the community ecology of the trees ...

These two paper sheets show drawings of parabolas. One is labeled: 1259 (/) Fig 2. It represents the equation x 2 + 4x + 4 = y. The other is labeled: Sheet 1266 (/) Fig 4. It represnts the equation x ...