Which of the following is an example of primary succession?
A plant community becoming simplified with fewer species and less biomass
A succession of larger plants (trees, shrubs, etc.) following the establishment of pioneer species
Plant communities are established in a lifeless environment, usually devoid of soil
A transition from one ecosystem type to another
An ecosystem diversifying, supporting more species and increases in biomass
The streamlined shape found in the body plans of both sharks and dolphins is an example of:
convergent evolution
divergent evolution
coevolution
sympatry
none of these