A single system that is well matched interacting parts such that removal of one part of the system causes the system to fail.
A genetic change that could be passed on to the offspring.
The gradual change of one kind of organism into another.
The ship on which did Darwin sail.
Natural selection only works for characteristics already in _________.
An organism that evolutionists claim has the different groups of organisms as its offspring.
How many missing links are there in the evolutionary phylogenetic tree.
The record of living things as recorded in rock.
In the ____________ time frame, epochs make up periods, and period make up eras!