Classify each fossil as evidence of a warm or cold past climate.
palm frond,fern impressions|woolly mammoth
Choose the correct answer from each drop-down menu to complete the statements.
temperatures|past
Match each sediment feature to what it most likely suggests about past conditions.
glacial runoff or flooding|wildfires or landscape burning|high biological activity
Choose the correct answer from each drop-down menu to complete the statements.
low|plant debris|wet and productive conditions
Which layer most likely formed during a time of low biological productivity?
What likely caused the repeating temperature changes shown in the graph?
Which of the following best describes Earth’s long-term climate trend over the past 800,000 years?
In the graph, higher temperatures correspond to interglacial periods; lower temperatures correspond to glacial periods. Match each temperature feature to the correct climate condition.
glacial period|start of a warming cycle|interglacial period
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