Chapter 3: Ecosystems: What are they and how do they Work?

Reading Guide, 15^th edition

 

Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the term. In your own words please!

 

3.1: Nature of Ecology

                Ecology:

Organism:

Species:

Population:

Community Components of an Ecosystem

Ecosystem

 

3.2 Earth’s Life-Support Systems

                Earth’s four layers

Earth’s spheres:

3 items that sustain life on Earth

Photosynthesis

Figure 3-8 Explain

Biogeochemical Cycle

 

3.3 Ecosystem Concepts

                Biome

Climate vs Weather

Ecotone

Biotic vs Abiotic (examples)

Limiting Factor Principle

Dissolved Oxygen and Salinity

Producers: Autotrophs and photosynthesis

Consumers and heterotrophs

Decomposers

Aerobic vs anaerobic respiration

3.4 Biodiversity

Biodiversity

Humans and Biodiversity

HIPPO

 

3.5  Energy Flow in Ecosystems

Food chain

Trophic Level

Food Web

Pyramid of energy flow

Ecological efficiency rule

Figure 3-17 Describe

Pyramid of Biomass

Pyramid of Numbers

Gross Primary Productivity

Net Primary Productivity

 

3.8 How do Ecologists Learn about Ecosystems

Field vs Lab Research

Systems Analysis Figure 3-34