#Question id: 10754
#Unit 10. Ecological Principles
Following is different type of interaction was shown in figure. (+: Benefit , - Harm , 0= Neither benefit nor harm) What is interaction between column A & B in each schematic?
#Question id: 10755
#Unit 10. Ecological Principles
For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are
KA = 1000 KB = 1200 α= .5 r A= .3 N1= 500 N2= 200
According to the Lotka-Volterra model, what is growth rate of species A?
#Question id: 10756
#Unit 10. Ecological Principles
Which of following is correct about interaction?
A) Population growth of each species is limited more by intraspecific competition than by interspecific competition.
B) The species with the greater initial abundance wins out.
C) Population of each species coexist and reach at stable equilibrium point
D) Population growth of each species is limited by only intraspecific competition
#Question id: 10814
#Unit 10. Ecological Principles
A Population of N1 species is growing with N2 species with a growth rate (r1) of 0.15 in an environment with a carrying capacity K1 of 400, Density of N1 species 100, density of N2 species 50 competitive efficiency of N2 on N1 species 1.5. What is the approximate growth rate N1 species?
#Question id: 10815
#Unit 10. Ecological Principles
The evolution of two interacting species in a community is referred to as ________________.
#Question id: 10816
#Unit 10. Ecological Principles
When a harmless species takes advantage by resembling the aposematic coloration of other species that are toxic, it is called _____________________.