#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: 10757
#Unit 6. System Physiology – Plant
A Negative Hydrostatic Pressure in Soil Water,
#Question id: 10758
#Unit 6. System Physiology – Plant
The component of the soil water potential is hydrostatic pressure (ψp) ,
#Question id: 10759
#Unit 6. System Physiology – Plant
many secondary metabolites have been suggested to have important ecological functions in plants:
a) they protect plants against being eaten by herbivores (herbivory)
b) they protect plants against being infected by microbial pathogens
c) they serve as attractants for pollinators and seed dispersing animals
d) they serve as agents of plant–plant competition
Which of the following combination from above statements is correct?