EVERYDAY SCIENCE

Detailed explanation-1: -All the organisms of the same species living in a particular locality are called as population. An organism cannot live in isolation. For its survival and continuity of its race, it needs to be able to communicate with other organisms.

Detailed explanation-2: -Ecosystem: The collection of all living organisms in a geographic area, together with all the living and non-living things with which they interact. · Acquatic Ecosystems (water-based) ecosystems.

Detailed explanation-3: -Populations are groups of organisms of the same species living in the same area at the same time. They are described by characteristics that include: population size: the number of individuals in the population. population density: how many individuals are in a particular area.

Detailed explanation-4: -A community is all of the populations of different species that live in the same area and interact with one another. A community is composed of all of the biotic factors of an area.