This guide focuses on animals and their interactions with other species.
Video Overview
Watch this introduction video. You can select “cc” to see the text.
Interactions Guide Contents
Complete all four of these sections before taking the quiz and submitting your two journal pages.
Interactions Guide Objectives
This guide’s quiz has four questions; one matching each objective.
Species Interactions
List positive, negative, and neutral forms of community interactions, including specific examples of predators, herbivores, and types of competition; define symbiosis, including examples of mutualism, parasitism, and commensalism; and provide examples of symbiosis found in the Willamette Valley.
Animals
List and describe basic characteristics shared by animals; explain what a vertebrate is and the lineage of vertebrates over time; and list the basic characteristics of fish species and describe the structure of fish scales.
Invertebrates
Provide examples of annelid invertebrates; describe what scavengers, detritivores, and decomposers consume, including why they are significant to other species; and provide examples of organisms commonly found in soil communities.
Insects
List the characteristics of arthropods and provide examples of crustaceans, insects, and arachnids; describe the basic structural characteristics of insects; and name several insect orders, including representative insects in these orders.