Essential vocabulary for the IBO DP Biology course
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.
structures which are similar because of convergent evolution.
using the number of differences in DNA or amino acid sequences to deduce how long ago species split.
A small amount of DNA that is located in the mitochondria of cells. It is circular and does not have repair mechanisms, it mutates at a regular rate.
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