Grade 7 · Science · Change over time | QuizPrint

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Grade 7 Science: Change over time QuizPrint.CA Ontario · Life Systems — use fossils and traits to explain how living things and environments change NameDateScore 1. Shell fossils are found in rock 400 metres up a mountain. What is the best explanation? 2. A fossil is... 3. Dev studies mice on dark soil. Dark fur becomes more common over 670 years. Why? 4. If a habitat changes quickly and no individual has a helpful trait, the population may... 5. Which change is passed to offspring as an adaptation? 6. Why do scientists compare fossils in different rock layers? 7. Fossils in a lower layer of undisturbed rock are usually... 8. Which pair is an organism and an adaptation? 9. A new disease reaches a population of 160 animals. The population is more likely to survive if... 10. A finch with a beak suited to the seeds it eats shows... Sign in to manage students and save worksheet results. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource. Answer key Grade 7 Science: Change over time Ontario · Life Systems — use fossils and traits to explain how living things and environments change Question numbers match the worksheet. 1.D) that rock was once under the sea 2.B) preserved evidence of a living thing from long ago 3.D) dark mice were more likely to survive and have young 4.A) die out 5.C) a bird's beak shape 6.B) to put living things in order from older to newer 7.A) older than fossils in the layers above 8.C) a duck and its webbed feet 9.D) individuals differ in their traits 10.C) an adaptation Keep this page if you are printing for a child. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource.

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