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10 Cards in this Set
- Front
- Back
What is the name given to the study of the ecology of an individual fossil taxon?
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Palaeoautecology
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What term describes organisms with large body size that mature late, live a long timeand produce few offspring?
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K-strategists
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Name two characteristics of K-strategists.
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Large body
slow to mature few offspring Tendency to occupy niches in systems which are already near or at population limit Tend to occur in stable systems Low juvenile mortality |
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What term describes organisms with small body size that mature early and producemany offspring in a single reproductive episode?
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r-stratergists
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Name two characteristics of r-strategists.
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Fast to mature
High fecundity High dispersal rate small body types many offspring Tend to occupy high stress/unstable environments High juvenile mortality |
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What is the earliest embryonic stage of ammonites called?
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Ammonitella
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What is the name given to the study of fossil communities?
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Palaeosynecology
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What term describes a group of animals with similar morphology that exploit the same type of resource in a similar way?
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Guild
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Tiering, as defined by Ausich and Bottjer (1982), describes the vertical stratification of what type of marine animals above and below the sediment surface?
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Benthic animals
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During which period in Earth History did infaunal tiering first exceed 50cm in depth?
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Permian
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