Discuss the definition of the term species.

a. meaning of species has changed over time / no longer just based on morphological features/phenotype;
b. species members also resemble each other in physiology/biochemistry/DNA sequences/use of habitat/behaviour;
c. but species can evolve and features change/species gradually split up;
d. definition now based on ability to interbreed/produce viable, fertile offspring;
e. gene flow among populations of the species maintains the species’ uniqueness;
f. some interspecific hybrids are fertile making categorization difficult;
g. further accurate discussion point about species definition;

The discussions of the definition of ‘species’ were very varied, with very few gaining all three points.