Part 3: Kingdom Protista — Heterotrophs (Zooplankton)

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5 Terms

1
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Q: What are Foraminifera?

A: Marine protists with calcareous or agglutinated tests; benthic since Cambrian, planktonic since Mesozoic; form Globigerina oozes

2
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Q: What are fusulinids?

A: Large benthic forams (Pennsylvanian–Permian), shaped like rice grains

3
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Q: What are nummulitids?

A: Large coin-shaped forams, common in the Tertiary

4
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Q: What are Radiolaria?

A: Siliceous, spiny, planktonic marine protists (Cambrian–Holocene), contributing to siliceous oozes

5
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Q: What are the two orders of radiolarians?

A:

  • Spumellaria = spherical, dominate shelf/slope.

  • Nassellaria = conical/bilateral, dominate open ocean