22 Why is allopatric speciation more common in biology than

Last updated: 5/19/2023

22 Why is allopatric speciation more common in biology than sympatric speciation a Physical barriers are rare so populations are more likely to speciate while overlapping b Separated populations always experience different environmental pressures c Mutations occur at a higher rate when a population becomes separated d Populations separated by a physical barrier can less easily exchange genetic material 23 Which of the following organisms would you expect to be most vulnerable to extinction under current climate change a A small mammal living at the top of a mountain b A large bird living in low elevation valleys c A migratory fish living in the ocean near the equator d A small insect living in an urban area