Bundle 1 - Humble Independent School District



|Animal Life Cycles |

|Complete and Incomplete Metamorphosis |

|Unit Connections |Concept & Processes & Skills |

|Plants and animals grow in a variety of ways during their life cycles. |Metamorphosis is a profound change in form from one stage to the next in the life history of an organism. |

|What are the stages of the plant life cycle? |Some insects go through complete metamorphosis. |

|What are the stages of complete metamorphosis? |In complete metamorphosis, there is great developmental change between stages. |

|What are the stages of incomplete metamorphosis? |The best way to identify complete metamorphosis is whether all of the stages look different. |

| |Examples of animals that go through complete metamorphosis include mealworms, butterflies, frogs, lady bugs, |

| |fly, bee, flea, etc. |

| |Some insects go through incomplete metamorphosis. |

| |In incomplete metamorphosis, there is very little developmental change between stages. |

| |Insects that go through incomplete metamorphosis will look very similar to the adult, but will not have wings.|

| |Examples of insects that go through incomplete metamorphosis include grasshopper, cockroach, cicada, stink |

| |bug, dragonfly, earwig, etc. |

|Misconceptions | |

|The first stage of each life cycle is the egg; every life cycle begins with the egg; Labeling the ‘egg’ as the| |

|first stage. | |

|Fact: The stages in a life cycle are repeated and there is no first or last stage. | |

|Only insects go through metamorphosis. | |

|Fact: Frogs, newts, salamander, toads (amphibians), and some fish also go through metamorphosis. | |

|Small insects with wings are baby insects that will grow up to be adults. | |

|Fact: If an insect has wings, it’s an adult, no matter how tiny it might be. Insects only grow as nymphs or | |

|larvae. Winged insects have already reached their adult size, and will not grow larger. | |

|Humans change as they grow older, so we go through incomplete metamorphosis. | |

|Fact: Humans are born with everything they need for life, even their teeth. Humans only grow bigger and | |

|taller, but never make a change such as growing new internal or external organs. | |

|Graphic Cues |

|[pic] |

|Student Outcomes |

|Design and implement an investigation with only one variable and that is repeated to prove the data is valid. |

|What should we keep the same? |

|What should be different? |

|What are we measuring? |

|How would we retest the investigation? |

|What should the retested investigation look like? Should anything be changed? |

|Identify the stages and function of the stages in complete metamorphosis. |

|What are the stages in complete metamorphosis? |

|What are some examples of insects that go through complete metamorphosis? |

|How is each stage different? |

|What are some clues that an organism goes through complete metamorphosis? |

|Why is it difficult to identify the offspring of an adult when it goes through complete metamorphosis? |

|Identify the stages and function of the stages in incomplete metamorphosis. |

|What are the stages in incomplete metamorphosis? |

|What are some examples of insects that go through incomplete metamorphosis? |

|How is each stage different? |

|What are some clues that an organism goes through incomplete metamorphosis? |

|Compare complete and incomplete metamorphosis and life cycles of other living organisms. |

|How are the stages of complete and incomplete metamorphosis the same and different? |

|How long does it take animals/insects to complete their life cycles? Does it vary between organisms? Species? |

|Compare life cycles of animals, other insects, and plants. |

|How do the offspring look compared to the parent? |

|How do each of the different life cycles begin? End? |

|What do all life cycles have in common? |

|Vocabulary Focus |

|Key Vocabulary for the Week |

|Life Cycle |Complete Metamorphosis |

|Metamorphosis |Incomplete Metamorphosis |

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