Ecosystem_Structure

Ecosystem_Structure - II. The Living World 1. Ecosystem...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: II. The Living World 1. Ecosystem Structure 2. Energy Flow 3. Ecosystem Diversity 4. Natural Ecosystem change 5. Natural Biogeochemical Cycles Ecology is the study of how organisms interact with one another AND with their nonliving environment An organism is any form of life the most fundamental unit of ecology Species: organisms that resemble each other in appearance, behavior, chemistry, genetic make-up, and are able to inter-breed. Population: organisms of the same species ( intraspecific ) interacting and occupying a specific area Community: populations of different species ( interspecific ) living and interacting within an area An ecosystem is a system is a formed by the interaction of a community of organisms (biotic) with their physical environment (abiotic) All of earths ecosystems make up the biosphere Clumped Some areas within the habitat are dense with organisms, while other areas contain few members Uniform Uniform spacing between individuals Random Little interaction between members of the population leading to random spacing An ecological niche is the particular area within a habitat occupied by an organism and includes the function of that organism within the ecological community An organisms niche involves Types and amounts of resources used Interactions with biotic and abiotic factors Generalists species live in broad niches and can withstand a wide range of conditions (cockroach, mice, humans) Spet species live in narrow niches and are sensitive to environmental change (giant panda which only eats particular bamboo)...
View Full Document

Page1 / 30

Ecosystem_Structure - II. The Living World 1. Ecosystem...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online