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Question: 4 identify the following as radiolarians foraminiferans or both using...

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4 Identify the following as radiolarians, foraminiferans, or both, using the following key These have endoskeletons composed of silicon dloxide. Globigerina sp. is an example. These have colorful shells composed of calcium carbonate. Fossil species of these are helpful in correlating the age of geologic strata. These have threadlike, branched pseudopods. Stylatractus sp. is an example. These are fossil species that form limestone. Sediment of these organisms can be greater than 4,000 meters thick. These have thin, stiff pseudopods. These are found in marine environments. R Radiolarians RF Radiolarlans and foraminiferans 307 Fine Mess Understanding the Protists

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