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Grade 2 Science · World 7: Life Cycle Farm · Level 51
Compare Life Cycles
Tell how life cycles are alike and different.
Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.
What children learn in Level 51
- All life cycles are alike in a big way: living things begin life, grow up, and have young.
- But they start differently. Cats and dogs are born alive. Chickens, frogs, butterflies, turtles, and alligators hatch from eggs.
- Some young look like small adults: kittens, chicks, and baby alligators. Others change shape completely: tadpoles, caterpillars, and ladybug larvae.
- Your turn! Sort them: does the young one change a lot, or look like its parents?
Georgia Standards of Excellence in Science:
- S2L1.a — Ask questions to determine the sequence of the life cycle of common animals in your area: a mammal such as a cat, dog or classroom pet, a bird such as a chicken, an amphibian such as a frog, and an insect such as a butterfly.
- S2L1.d — Develop models to illustrate the unique and diverse life cycles of organisms other than humans.