Chapter 10 Evolution
Evolutionary theory is supported by evidence from the following areas. Briefly describe how each
has contributed to the support of the theory.
(a) Selective breeding
(b) Palaeontology (fossils)
96 (II) (3)
(b)(i) What is a species?
Name and describe the various isolation mechanisms which may lead to the formation
of a new species.
06 (IA) (8)
ways in which scientists can make use of fossil records in their study of the
evolutionary relationship of organisms.
limitations of using fossil records as evidence of evolution.
07 (II) (2)
To explain the diversity of life forms on Earth, Darwin proposed a theory that different species
arose by gradual changes from ancestral stocks. It would be possible to identify the evolutionary
relationship of different species by examining the similarities and differences between them and
comparing them with pre-existing life forms. Evidence of evolution can be drawn from a wide
range of sources, e.g. fossils, comparative anatomy, and comparative biochemistry.
What are fossils?