Ecology Exam Review Get in a seat, and get out your HW • While I check HW define the following words… – Edge – Community – Population – Census – Biome – Habitat (4 components) Define Ecology Define Ecology • study of living things and the interactions that take place among organisms and their environment Describe each of the following terms: • Biotic • Abiotic • Organic • Inorganic Describe each of the following terms: • Biotic – living • Abiotic – non-living • Organic – related to something living • Inorganic – never living Describe a biome • Biome Describe each of the following terms: • Biome - large geographic areas with similar climates and ecosystems List the land biomes • Includes: – TUNDRA – TAIGA or CONIFEROUS FOREST – DESERT – TROPICAL RAINFOREST – TEMPERATE RAINFOREST – DECIDUOUS FOREST – DESERT – GRASSLAND Describe each of the following terms: • Organism • Species • Population • Community Describe each of the following terms: • Organism – one of any living thing • Species – similar organisms that can reproduce • Population - all the organisms that belong to the same species in an area • Community - all the populations of different species that interact in an ecosystem Describe each of the following terms: • Ecosystem • Habitat • Niche Describe each of the following terms: • Ecosystem - all the living organisms that live in an area and the nonliving features of their environment • Habitat - place where an organism lives • Niche – an organism’s role in an ecosystem; how it gets food, lives Describe each of the following terms: • Limiting factor • Carrying capacity Describe each of the following terms: • Limiting factor - anything that can restrict the size of a population • Carrying capacity - largest number of individuals of a particular species that an ecosystem can support over time Describe each of the following terms: • Predator • Prey Describe each of the following terms: • Predator – an animal that hunts and kills other animals for food • Prey – an animal that is hunted and caught for food Layers of the forest