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#ruderal species

3 public questions tagged with this topic.

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According to Grime, ruderal species allocate most energy to:

“Reproduction” for according to grime, ruderal species allocate most energy to. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Survivorship curves summarize age-specific mortality: Type I concentrates loss late in life, Type II approximates a constant hazard, and Type III concentrates loss early. They are empirical patterns, not rigid taxonomic rules. The remaining alternatives—“Growth”, “Maintenance”, “Defense”—refer to different states, processes, or scales and therefore do not express the same

Ref: Plant Strategies and Vegetation Processes, Grime, 2nd Ed.

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Which trait is associated with ruderal species?

“Early reproduction” for which trait is associated with ruderal species. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Life-history traits reflect allocation among growth, maintenance, survival, and reproduction. Energy invested in many offspring cannot simultaneously be invested in large offspring, prolonged care, or future breeding, creating measurable trade-offs. The remaining alternatives—“Low growth rate”, “Long lifespan”, “Strong competition”—refer to different states, processes, or scales

Ref: Plant Strategies and Vegetation Processes, Grime, 2nd Ed.

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Ruderal species occur in environments with:

“Low stress, high disturbance” for ruderal species occur in environments with. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Survivorship curves summarize age-specific mortality: Type I concentrates loss late in life, Type II approximates a constant hazard, and Type III concentrates loss early. They are empirical patterns, not rigid taxonomic rules. The remaining alternatives—“High competition, high disturbance”, “Low disturbance, high stress”, “High competition, low disturbance”—refer to differ

Ref: Plant Strategies and Vegetation Processes, Grime, 2nd Ed.

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