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Worksheet
Curated OER

Invertebrate Word Search

For Students 8th - 9th
For this biology worksheet, students identify and locate vocabulary terms related to various types of invertebrates. There are 21 biology terms located in the word search.
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Handout
University of California

Ucmp: Flatworms, Life in Two Dimensions

For Students 9th - 10th
A discussion of the fossilized Platyhelminthes that have been found, and offers several different strategies as to how they evolved.
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Handout
BiologyWise

Biology Wise: Parasitic Flatworms

For Students 9th - 10th
Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.
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Handout
BiologyWise

Biology Wise: What Are the Different Types of Flatworms

For Students 9th - 10th
Describes the basic characteristics of three of the major kinds of flatworms, including tapeworms, planarians, and flukes.