Texas Education Agency
Texas Gateway: Organism Relationships: Food Chains, Webs, Pyramids
Given illustrations, students will analyze the flow of matter and energy in food chains, food webs, and ecological pyramids.
NC State University
Nc State University: Population Dynamics
Students will understand the ecological concepts behind population dynamics of wildlife species.
US Geological Survey
Lake Pontchartrain Basin Foundation: Ecosystems in Delicate Balance
Learning activities to investigate how organisms interact in a functioning ecosystem. Students will explore the role organisms play in food chains and preserving biodiversity in ecosystems. Lake Pontchartrain Basin ecosystem is featured...
CK-12 Foundation
Ck 12: Life Science: 12.1 Ecology Overview
Discover how organisms interact in their environment.
Other
Florida Fish and Wildlife Conservation Commission: How Do They Get Here?
An article that explains the pathways by which non-native fish and wildlife find their way into Florida's ecosystem.
BiologyWise
Biology Wise: Examples of Mutualism
Describes the role of mutualism in an ecosystem and the different types, and provides examples.
BiologyWise
Biology Wise: Competitive Exclusion Principle
The concept of competitive exclusion, explained here, states that two species cannot co-exist when needing the same, limited resources to survive. The different types are described and examples are provided.
BiologyWise
Biology Wise: Examples of Parasitism
Explains what parasitism is and provides a few examples of parasitic relationships.