R. Gallagher www.theconical fl ask.ie

Apuntes

R. Gallagher www.theconical fl ask.ie Ecology and Study of an Ecosystem Ecology • The study of the interactions between living things and between organisms and their environment. Biosphere • Part of the planet containing living organisms. • e.g. the air, the seas and soil and rock. Ecosystem • Organisms interacting with their environment. • e.g. woodland, grassland, lakes, rocky seashore. Habitat • A place where an organism lives. • e.g. Bush within the grassland. Population • All members of the same species living in an area. Community • All the di ff erent populations in an area. Niche • The functional role an organism. Environmental factors a ff ecting organisms Biotic Factors (living factors): Abiotic Factors (non-living factors): Climatic Factors: Edaphic Factors (soil): Predation Soil temperature Temperature Soil temperature Competition Soil pH Rainfall Soil pH Light intensity Wind 10 R. Gallagher www.theconical fl ask.ie Energy fl ow Producers: Plants (capable of making their own food - photosynthesis) Consumers: Animals (they must eat other animals or plants to survive) • Primary consumers : Animals that feed on p...