DP Biology Vocabulary - 5.4 Cladistics
Essential vocabulary for the IBO DP Biology course
Terms in this set (9)
trait structures which are similar because of convergent evolution.
a group comprised of an ancestral species plus all of the species that have evolved from the organism.
constructing a phylogenetic tree based on primitive and shared derived characteristics.
a diagram which shows groupings based on primitive and shared derived characteristics.
where species from different lineages show similar characteristics because they are subject to similar selection pressures.
a pattern of evolution where an ancestral species evolves into a number of distinct species due to exposure of different populations to different selection pressures.
a family of angiosperms.
Traits that are shared by species with a common ancestor. These traits are similar in structure, but may have very different functions and appearances.
using the number of differences in DNA or amino acid sequences to deduce how long ago species split.
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