6th Grade · Science · Activity · shared by Luke Morgan
This 6th Grade Science activity helps students differentiate facts from opinions about detritivores, bacteria, and fungi roles.
📋 Fact vs. Opinion Sort
Name: _________________________ Date: _____________
Topic: Differentiating between the roles of detritivores, bacteria, and saprophytic fungi.
In science, we work with different types of information. A FACT is a statement that can be proven true or false using evidence, data, or direct observation. An OPINION is a statement that expresses a personal belief, feeling, or judgment that cannot be proven.
Biological ecosystems depend upon three specific classifications of organisms to recycle dead organic material back into the environment. Detritivores , such as earthworms and woodlice, function as physical shredders that consume large pieces of waste and fracture them into smaller fragments. Unlike these animals, bacteria are microscopic single-celled organisms that utilize chemical processes to decompose soft tissues. These tiny microbes are essential for breaking down the most basic components of dead matter.
Saprophytic fungi represent a third category that specializes in dismantling tough materials like wood using external digestion. These fungi develop long, microscopic threads called hyphae that release powerful enzymes to dissolve complex plant fibers outside of their bodies. While bacteria typically concentrate on simple sugars, saprophytic fungi are the primary organisms capable of breaking down the sturdy lignin found in tree trunks. This coordinated biological effort ensures that vital nutrients are returned to the soil to support new plant growth. Each group performs a specific function based on the physical size and chemical composition of the waste they consume.
Directions: Read each statement below. Write F for Fact or O for Opinion on the blank line. Use the reading passage paragraph above to verify the factual statements.