#Question id: 10755
#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: 7286
#5. Developmental Biology
Which of the floral whorls is affected in apetala 3/pistillata (ap3/pi) mutants?
#Question id: 3263
#11. Evolution and Behavior
From an evolutionary point of view, plant tendrils derived from leaves and those derived from stems are examples of
#Question id: 3276
#11. Evolution and Behavior
Which of these conditions are always true of populations evolving due to natural selection?
Condition 1: The population must vary in traits that are heritable.
Condition 2: Some heritable traits must increase reproductive success.
Condition 3: Individuals pass on most traits that they acquire during their lifetime.
#Question id: 9204
#9. Diversity of Life Forms
Which of the following observations provides the best evidence of a biodiversity crisis?