Science Chapter 4: Interdependence among Living Organisms and the Environment

SPECIES

1. A species is a group of organisms that have the same shape and structure.
2. Monkey, rat, cat and elephant are examples of the different species of organisms

 

HABITAT

1. A habitat is the natural living place of plants and animals.
2. A habitat provides an organism with air, food, space, shelter and a place in which to breed.

POPULATION

1. A population is a group of organisms comprising the same species that live together in a habitat.
2. For example: a population of monkeys on a tree and a population of lions on a grassland.

 

COMMUNITY

1. A community consists of several species of animal and plant population that live together and interact with one another in a habitat.

ECOSYSTEM

1. An ecosystem consists of several communities that interact with one another and with the physical environment.
2. For example: a pond ecosystem, a tropical rainforest ecosystem.