#Question id: 10612
#Unit 10. Ecological Principles
dN/dt = rN (K-N/K )
The logistic equation above is used to describe therate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. Which of the following value of N showing maximum growth rate?
( K= 420, r =.05)
#Question id: 10613
#Unit 10. Ecological Principles
Life-history characteristics associated with K-selected organisms include
#Question id: 10614
#Unit 10. Ecological Principles
K selected species in forest is characterized by
#Question id: 10615
#Unit 10. Ecological Principles
The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?
#Question id: 10616
#Unit 10. Ecological Principles
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?
#Question id: 10617
#Unit 10. Ecological Principles
Suppose you discovered a new species of animal about which you know only two facts: Large clutch size and no parental care. Which of the following strategies is most likely to be true for this species?