Life cycle

  • PDF Preview of FACTivity for Amphibious Assault
    The question you will answer in this FACTivity is: How are human life and frog life similar, and how are…
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    FACTivity – Amphibious Assault

  • Pdf preview of the Meet Dr. Flitcroft article in spanish
    Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet…
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    Meet Dr. Flitcroft! – Spanish

  • PDF preview of Meet Dr. Flitcroft featuring Dr. Flitcroft standing in front of a body of water wearing waders
    Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet…
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    Meet Dr. Flitcroft!

  • Cover for the Timed Travel article. The main image is a photograph of the Yakima River.
    Water temperature helps regulate aquatic ecosystems, and, for many aquatic organisms, life-cycle phases are tied to water temperature. Salmon eggs,…
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    Timed Travel: Measuring the Relationship Between Stream Temperatures and the Development of Salmon

  • A black and white drawing of river shrimp
    Tropical streams provide many benefits to people and animals. For river shrimp that spend part of their life in the…
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    Swimming Upstream Without a Ladder: Dams and Pipes and River Shrimp Movements

  • Swimming Upstream Without a Ladder - Word Search
    Test you knowledge on ecosystems, population, and migration.
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    Word Search – Swimming Upstream Without a Ladder

  • Article cover for Swimming Upstream without a Ladder Spanish version
    Tropical streams provide many benefits to people and animals. For river shrimp that spend part of their life in the…
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    Swimming Upstream Without a Ladder: Dams and Pipes and River Shrimp Movements (Spanish)

  • PDF preview of the Spanish version of "Beetles Are Supercool"
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles (Spanish)

  • A black and white illustration of a group of beetle larvae sleeping inside a tree trunk.
    Mountain pine beetles are important to the Western United States. They have a very special life cycle that includes staying…
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    Beetles Are Supercool! Understanding the Life Cycle of Mountain Pine Beetles

  • Cover image for Natural Enquirer Tropical Forest Edition, Volume 3, Number 1 that shows the article names with accompanying graphics.
    Enjoy a journey to the tropics! In the Natural Inquirer Tropical Forest edition, readers will learn about the plants and…
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    Tropical Forest – Vol. 3 No. 1