
Classify adaptations
Free printable Grade 7 science worksheet for "Classify adaptations" — practice evolution and natural selection. No-prep, print or assign online.
This middle-school Life Science worksheet asks students to classify adaptations, sorting animal and plant traits into structural, behavioral, or physiological categories within the context of evolution and natural selection. Teachers can use it to deepen understanding after lessons on how species adapt to their environments, or as a review activity before an assessment. The classification focus builds the analytical vocabulary students need for higher-level biology discussions.
Learning objectives
- Classify adaptations as structural, behavioral, or physiological based on their characteristics
- Explain how specific adaptations improve an organism survival in its environment
- Connect the concept of adaptation to natural selection and evolutionary change
Answer Key

How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Classify adaptations” worksheet free?
Yes. “Classify adaptations” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Evolution and natural selection.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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