Download presentation
Presentation is loading. Please wait.
Published byAlyson Walton Modified over 8 years ago
1
Learning Target: Principles of Ecology Learning Target: Principles of Ecology Ch. 13.1 pp. 396 – 400 Ch. 13.2 pp. 402 - 404
2
I Can.…List and Identify the organizational levels in a biome Identify how both biotic and abiotic factors affect an ecosystem I Will… Label the levels within a biome Describe how an ecosystem is affected by An abiotic factor A keystone species
3
Ecology – Study of the relationships among organisms and their environment. Gr. Oikos = house
4
Levels of organization Organism – any individual living thing Population – group of the same species Species – organisms of the same type genetically similar enough to reproduce viable (alive), fertile (capable of reproduction) offspring. Community - various populations living together in one area
5
Levels of organization (continued) Ecosystem - all the living (biotic) and nonliving (abiotic) components in an area interacting together Abiotic factors Temperature, wind, moisture level, air pressure, sunlight Biome – major regional or global community of organisms characterized by climate conditions and plant life Earth – 7% is Tropical Rain Forest (Producers!) Accounts for 50% of Earth’s plant and animal species Remember talking about biodiversity changing across the biosphere in unit 1
6
Organism Population Community Ecosystem Biome Changing one factor, biotic or abiotic, in an ecosystem can affect many other components of the system
7
creation of wetland ecosystem increased waterfowl Population increased fish population nesting sites for birds keystone species Keystone species – Species that has an unusually large effect on an ecosystem
8
Learning Check : Principles of Ecology Learning Check : Principles of Ecology Give an example of a keystone species and describe its impact on its ecosystem. Use the vocabulary terms; biotic, abiotic, population, community, and ecosystem in your description.
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.