Grade 5 : Standard 2 - Interdependence

Conceptual Strand 2

All life is interdependent and interacts with the environment.

Guiding Question 2

How do living things interact with one another and with the non-living elements of their environment?

Grade Level Expectations

Checks for Understanding

State Performance Indicators

GLE 0507.2.1 Investigate different nutritional relationships among organisms in an ecosystem.

GLE 0507.2.2 Explain how organisms interact through symbiotic, commensal, and parasitic relationships.

GLE 0507.2.3 Establish the connections between human activities and natural disasters and their impact on the environment.


0507.2.1 Evaluate producer/consumer, predator/prey, and parasite/host relationships.

0507.2.2 Classify interspecific relationships within an ecosystem as mutualism, commensalism, or parasitism.

0507.2.3 Create a simple model illustrating the interspecific relationships within an ecosystem.

0507.2.4 Analyze basic information from a body of text to identify key issues or assumptions about the relationships among organisms in an ecosystem.

0507.2.5 Create a poster to illustrate how human activities and natural disasters affect the environment.

SPI 0507.2.1 Describe the different types of nutritional relationships that exist among organisms.

SPI 0507.2.2 Distinguish among symbiotic, commensal, and parasitic relationships.

SPI 0507.2.3 Use information about the impact of human actions or natural disasters on the environment to support a simple hypothesis, make a prediction, or draw a conclusion.

Tennessee Vocabulary 2009 Version with this Unit

commensalism earthquake photosynthesis
parasite hurricane  
parasitism volcano  
symbiosis tsunami  

predation, mutualism, commensalism, or parasitism

Predator Photos

Commensalism Photos

Parasitism Photos

Mutualism Photos

Examples from the Internet

Human Actions