Trilobite fossil - PowerPoint PPT Presentation

Rocks

Rocks. What’s a Rock?. A solid chunk of one or more minerals (or sometimes mineral-like matter). The Rock Cycle. A Quick Quiz. The type of rock that starts it all! IGNEOUS! A rock formed by squeezing and heating. METAMORPHIC

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What can we learn from fossils?

What can we learn from fossils?. A dinosaur. Its an animal that lived on Earth millions of years ago. Dinosaurs have become extinct . . A fossil. Its what left of an animal or plant that lived long ago. A fossil can be a foot print in a rock. Or bones that have turned to rock.

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1.11k views • 9 slides

Threatened, Endangered, or Extinct?

Threatened, Endangered, or Extinct?. Why do we have species declining in numbers?. Mostly human interaction with the species: Overhunting Climate change (caused by humans) Destruction of habitat Pollution Introduction of invasive species . Threatened Species.

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344 views • 6 slides

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