In a study of tree dispersion in a forest, we divided the forest into 1 sq km grid cells, choose 50 of them at random, and counted the number of trees in each cell. The means to variance ratio of the counts of trees per cell was much less than 1. What does this tell us about the spatial distribution of the trees?

TLS Online TPP Program

#Question id: 9576

#Section 1: Ecology

How rapidly does adiabatic cooling reduce air temperature at higher altitudes?

TLS Online TPP Program

#Question id: 9577

#Section 1: Ecology

The epidermal coloration of the African grasshopper is a striking example of irreversible developmental responses to environmental conditions. Which of the following statements is true?

TLS Online TPP Program

#Question id: 9578

#Section 1: Ecology

Bergmann’s rule states that,

TLS Online TPP Program

#Question id: 9579

#Section 1: Ecology

Allen’s rule states that,

TLS Online TPP Program

#Question id: 11921

#Section 1: Ecology

Which of the following would be considered to be a natural population in a pond? 

TLS Online TPP Program

#Question id: 11922

#Section 1: Ecology

Which of the following environmental features might influence microclimates?