Lectures - Species adaptations

8 important questions on Lectures - Species adaptations

What is a functional trait?

Traits which impact fitness indirectly via their effects on growth, reproduction and survival.

What is the trait syndrome?

Advantage in one aspect is disadvantage in another, for example the leaf economics spectrum.

What are the characteristics of 'slow' leaves?

  • slow return of C investment
  • High LMA, low N%, P %
  • Low photosynthetic rate
  • High longevity
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What are the characteristics of large animals?

High absolute metabolic rate
→ High absolute food requirements

Low relative metabolic rate (per g)
→ Low relative food requirements
→ low food quality required

What can enviromental filters influence?

  1. Which traits are most dominant in local communities
  2. The variation in species traits within communities → plant diversity

What is environmental filtering?

Environmental filtering is the first filter that selects a subset of species from the regional species pool. It is primarily determined by evolutionary and historical factors, as well as dispersal barriers.

Which plants tolerate grazing?

  1. Short
  2. Prostrate growth
  3. Stoloniferous or rosette

What is a response trait?

Determines response of plants to environmental / biotic factors. (LMA)

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