Reference no: EM132934082

1) A) Explain how each of the following three ecological disruptions would affect the number and size of trophic levels in an ecosystem:

i. Decrease in the available sunlight

ii. Increase in the number of producers

iii. Increase in the availability of a resource that was limiting the herbivore population size

1) B) Describe the concept of trophic efficiency.

2) Biotic and abiotic factors affect population density and dispersion. A) Explain the factors that affect a population's density. B) Describe the types of population dispersion, with examples, and the factors that influence them.