An increase in fitness due to competition among males and mate choice by females is a result of
A. sexual dimorphism.
B. social interaction.
C. sociobiology.
D. courtship.
E. sexual selection.
Answer: E
You might also like to view...
Through which structure do oocytes travel as they leave the location where they developed?
A. uterus B. cervix D. ovary E. fallopian tube or oviduct
The insulation that keeps the signal within the axon is called what?
a. myelin sheath b. glial bodies c. Nodes of Ranvier d. axon terminals
Which of the following models of speciation hinges on a physical barrier which prevents gene flow between populations?
A) dispersive allopatric B) dispersive sympatric C) vicariant allopatric D) vicariant sympatric E) Both A and C.
A positive feedback loop is one that tends to amplify a process. Why would the effect of deforestation on the water cycle be considered a positive feedback loop?
A. Because deforestation leads to reduced nutrient uptake during the growing season, which results in more fertile soil. B. Because deforestation leads to new types of habitat which leads to greater species diversity. C. Because deforestation leads to an increase in the concentration of nutrients in run off, which then leads to eutrophication. D. Because deforestation leads to a decrease in precipitation, which results in further loss of vegetation.