Unit 3.4?

• Ecology is the study of living things and their interactions with each other and their environment.
• Ecosystems are a characteristic community of interdependent species interacting with abiotic components of their habitat.
• Carrying capacity is the maximum number of individuals which are sustained within a population.
• A population includes all the members of one species in an area that can breed with each other.
• A community is all the members of all species in an area.
• A habitat is the place in an ecosystem where an organism lives.
• A niche is the role of an organism in an ecosystem (generally a feeding role)
• Biotic factors include all the living and organic components of an ecosystem
• Abiotic factors include all the non-living parts of an ecosystem