SECTION 2 FUNDAMENTAL CONCEPTS OF ECOLOGY Topic Learning Outcomes ● Familiarize with the different Ecological concepts ● Recognize the Biotic and Abiotic factors in the environment ● Distinguish different ecological relationships ● Identify the different terrestrial biomes ● Understand the Biogeochemical cycle and their importance ECOLOGY Derived from the Greek oikos, meaning house, combined with logy, meaning “the study of”. Thus, literally, it is the study of the earth’s households. Ecology, can be defined as the study of the relationship between organisms and their environment. ENVIRONMENT According to Douglas and Holland, the term environment is used to describe, in the aggregate, all the external forces, influences and conditions, which affect the life, nature, behaviour and the growth, development and maturity of living organisms. Levels of Organization Atom Basic Unit of Matter Organism an individual form of life Community Niche Population a group of individuals of the same species in a certain area at a given time Habitat Describe as the total sum of Area or environment where a species use of the biotic species occupy same an organism or ecological and abiotic resources in its community normally lives or geographic area environment orccur Population of different

Fundamental Concepts of Ecology Section 2

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