The chart shows the evolution of animals and plants through several geologic time periods based on fossils that have been found. The time periods in the image are in descending order, with the newest time period at the top. The Cambrian period occurred approximately 500 million years ago, and we are currently in the Quaternary period. PERIOD Quaternary Tertiary Cretaceous Jurassic Triassic Permian Pennsylvanian Mississippian Devonian Silurian Ordovician Cambrian Animals with shells Fishes ANIMALS Amphibians 2 Reptiles Mammals Birds Humans Club mosses Horsetail rushes PLANTS Fems Pines Ginkos Flowering plants Based on the chart, describe the trends that can be observed in animal and plant fossils as they evolved over time. Use evidence from the chart to support your conclusions.

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