End Show Slide 1 of 39 Copyright Pearson Prentice Hall 4-2 What Shapes an Ecosystem?
What are the main factors that determine Earth’s climate? Copyright Pearson Prentice Hall.
Ecosystems An ecosystem is all the organisms that live in an area together with non-living factors of the environment.
What Shapes an Ecosystem? Review of Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. Biotic.
4.2.1. 3.Habitat – The area where an organism lives 4.Niche – The range of physical and biological conditions in which an organism lives.
Www.soran.edu.iq Ecology M. Saadatian Types of ecological interactions 1.
Population – group of individuals of the same species living in the same area, potentially interacting Community – group of populations of different species.
INTERACTIONS IN ECOSYSTEMS. LEARNING GOALS Understand how biotic interactions in a community work, include predation, competition, and symbiosis. Explain.
Chapter 5 by Tracy Reynolds Rose, period 7. How do species interact? 5 Major interactions Interspecific competition- occurs when members of two or more.
Monday 4/28/2014 AGENDA: Ecology Notes: Organic vs. Inorganic Activity: Organic vs. Inorganic worksheet Homework/Class Assignments!! Announcements: Organic.
Ecology and Evolution. Evolution Define: – The change in a populations genetic composition over time Models of Evolution: – Phylogenetic Tree: shows how.
1 Biodiversity, Species Interactions, and Population Control Chapter 5.