Passage
Grades 3–8
Are Whales Fish?
Reading Passage
$1.50
Science · Curriculum resources
Natural Selection Worksheets and Activities
Explore our collection of Natural Selection curriculum resources for grades K-8, including worksheets, games, readers, and activities. This hub helps teachers and parents introduce evolution concepts from simple life cycles to complex adaptation, with materials that grow alongside students.
36 results
Passage
Grades 3–8
Are Penguins Birds?
Reading Passage
$1.50
Passage
Grades 3–6
Are Jellyfish Fish?
Reading Passage
$1.50
Passage
Grades 3–6
Are Dolphins Fish?
Reading Passage
$1.50
Passage
Grades 3–6
Are Spiders Insects?
Reading Passage
$1.50
Passage
Grades 3–6
Are Snails Insects?
Reading Passage
$1.50
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Passage
Grades 4–5
The Life Cycle of a Sea Turtle
Reading Passage
Free
Passage
Grades 5–8
Natural Selection: Nature’s Way of Choosing Traits
Reading Passage · MS-LS3-1
$1.50
Passage
Grades 5–8
Vertebrates: Fishes
Reading Passage · MS-LS4-2
Free
Passage
Grades 5–8
Vertebrates: Amphibians
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Vertebrates: Reptiles
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Vertebrates: Birds
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Vertebrates: Mammals
Reading Passage · MS-LS4-2
$1.50
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Passage
Grades 5–8
Invertebrates: Sponges and Cnidarians
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Invertebrates: Worms
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Invertebrates: Arthropods
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Invertebrates: Mollusks
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Invertebrates: Echinoderms
Reading Passage · MS-LS4-2
$1.50
Passage
Grades 5–8
Human Evolution
Reading Passage · MS-LS4-1
$1.50
Passage
Grades 5–8
Evidence for Evolution: Comparative Anatomy
Reading Passage · MS-LS4-2
$1.50
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Passage
Grades 5–8
Natural Selection
Reading Passage · MS-LS4-4
$1.50
Passage
Grades 5–8
Speciation
Reading Passage · MS-LS4-4
Free
Passage
Grades 5–8
Adaptation
Reading Passage · MS-LS4-4
$1.50
Passage
Grades 5–8
Environmental Change and Species Survival
Reading Passage · MS-LS4-4
$1.50
Passage
Grades 5–8
Selective Breeding and Genetic Engineering
Reading Passage · MS-LS4-5
$1.50
Passage
Grades 5–8
Coevolution
Reading Passage · MS-LS4-4
$1.50
Passage
Grades 5–8
Evidence for Evolution: The Fossil Record
Reading Passage · MS-LS4-1
$1.50
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Or pay as you goFrom $1.50
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40% off until Aug 1
Passage
Grades 5–8
Theory of Evolution
Reading Passage · MS-LS4-1
$1.50
Passage
Grades 5–8
Reproductive Success
Reading Passage · MS-LS1-4
$1.50
Passage
Grade 6
The Diverse World of Eight-Legged Arachnids
Reading Passage
$1.50
Passage
Grade 6
The Largest Animal Group on Earth
Reading Passage
$1.50
Passage
Grade 6
The Human Family Tree: Our Early Ancestors
Reading Passage
$1.50
Passage
Grade 6
The Levels of Australopithecus
Reading Passage
$1.50
Passage
Grade 6
Understanding Antibiotic Resistance
Reading Passage
$1.50
Passage
Grade 6
Are Turtles Amphibians?
Reading Passage
$1.50
Passage
Grade 6
How Anatomical Structures Provide Evidence for Evolution
Reading Passage
$1.50
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About these Natural Selection worksheets and activities
Natural Selection is a foundational science concept that builds across elementary and middle school. In the earliest grades, students observe life cycles and basic traits, such as how a sea turtle's journey from egg to adult involves survival challenges. As they progress, they explore variation, adaptation, and the role of environment in shaping species. By upper elementary and middle school, learners analyze how advantageous traits become more common over generations.
Our resources cover related entities like adaptation, variation, survival, heredity, and extinction, connecting to real-world examples such as camouflage, beak shapes, and antibiotic resistance. Students practice critical thinking, data analysis, and evidence-based reasoning through hands-on activities and reading passages. The progression ensures that younger students build foundational knowledge while older students engage in deeper inquiry, all within a scaffolded, teacher-authored framework.
Using these in your classroom
Teachers can use this hub to differentiate across a mixed-ability classroom by selecting resources at varying reading levels and complexity. For whole-group instruction, use a shared reading passage or interactive game to introduce key concepts. Small groups can work on differentiated worksheets or graphic organizers, while literacy centers feature independent practice with printable or digital activities. Assign homework that reinforces life cycle or adaptation ideas, and use the resources for intervention or review before assessments. The mix of no-prep printables and digital tools allows flexible integration into any instructional setting, from science blocks to cross-curricular literacy centers.
Standards alignment
These resources are aligned with grade-level Common Core standards for reading informational text and writing, as well as Next Generation Science Standards (NGSS) for life science across grades K-8.
Frequently asked questions
Are these Natural Selection worksheets printable?
Yes, many of our Natural Selection worksheets are printable and ready for classroom use. Some resources are free, while others require a paid Workybooks membership to access the full library.
Are these Natural Selection worksheets for kids?
Absolutely. Our Natural Selection worksheets for kids are designed for grades K-8, with age-appropriate language and activities. Younger students explore life cycles, while older students tackle adaptation and evolution.
What grade levels do these resources cover?
This hub spans kindergarten through 8th grade. Each resource is tagged with a specific grade range, so you can easily find materials that match your students' level and scaffold instruction as needed.
Do I need a membership to access all resources?
Some resources on this page are free to download, but most require a paid Workybooks membership. A membership gives you unlimited access to all printable and digital resources across every grade and subject.