Animals: Life Cycles
These sites focus on the stages animals go through as they mature. Learn how insects, fish, amphibians, birds, mammals, and humans develop. See videos of animals when they are developing embryos. Watch a chicken hatch from its egg. There are many diagrams that visually represent the life cycle.
教育标准
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申请州标准
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EnchantedLearning: Salmon Life Cycle
This site is about the life cycle of Salmon including a printout. NOTE: This site includes Google ads.
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Frog Life Cycle
Here is a life cycle chart with descriptions of each stage of a frog's life. NOTE: There is a link to an online store at the bottom of the page.
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A Guide to Frog Egg Identification and Metamorphic Timing
Find out the conditions frogs need for breeding and how to identify frog eggs from different species.
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Changing Faces of the Gypsy Moth
Click on a stage of the gypsy moth life cycle on the picture below to see a picture and learn more about it.
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Chickscope
Follow the development of the chicken embryo from day one to hatching.
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Museum of Science and Industry: Chick Hatchery
Watch a time-lapse video of a hatching chicken. The large video file requires QuickTime and loads quickly.
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Three Phase Insect Life Cycle
This simple diagram shows an egg, nymph, and an adult insect. Click on "Back" and read "Insect Life Cycle" for more information about the stages.
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Elephant Life Cycle
Read about the baby, adolescent, and adult stages of an elephant's life. Click on the stage names for more in-depth information about each part of the life cycle. NOTE: This site includes Google ads.
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Enchanted Learning: Animal Life Cycle Printouts
Print out insect, amphibian, and fish life cycle sheets that have diagrams of the stages. NOTE: This site includes Google ads.
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Jellyfish Life Cycle
A diagram and text tell about the stages of a developing jellyfish.
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Butterfly Life Cycle
Print out this page that has a diagram of a butterfly's life cycle, plus printable drawings of each stage.
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ABC Teach: Life Cycles
This worksheet can be printed out and filled in by students.
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PBS: Odyssey of Life: Morphing Embryos
You can watch a human, pig, chicken, or fish embryo as it develops. Choose the type of video format you want to view it.
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