Organisms that directly feed on plants are called _______. Bacteria and fungi that consume the bodies of dead organisms are called _______. The feeding relationships among organisms at different trophic levels form a chain called ___________. The conversion of ammonia to nitrates with the help of bacteria is known as ________. The interactions in which one type of individuals may obtain their food from other, but may or may not kill it are called ________.
Competition which occurs among individuals within a population called _________. Organisms which use the food prepared by the producers are called: Waste products and dead bodies are decomposed by: Lichens and other epiphytes growing on trees are examples of: Nitrogen fixing bacteria in the root nodules of leguminous plants is an example of: The study of relationships of organisms with their environment and among them-selves is called ___________. A group of individuals which can interbreed with each other in nature and produce fertile off springs is called ________. Competition which occurs among individuals with in a population is called interaspecific competition. The study of inter-relationship of individuals with their environment is known as:
A group of organisms, similar to one another, which can interbreed in nature and produce fertile offsprings: Consumers which eat both producers and other consumers are called: All populations living and interacting in different environment make up community. Algae are the most important producers in land ecosystem. The animals that feed on plants are called secondary consumers. The passage of energy in a one way direction through the ecosystem is known as energy flow.