Download the rate of evolution

the rate of evolution
Where selection pressures are high, the rate of evolution can be rapid.
The rate of evolution can be increased by factors such as:
shorter generation times
cladograms
A branching, treelike diagram to illustrate phylogenetic relationships
and to show points at which various species are presumed to have
diverged from common ancestral forms.
cladograms
activity 1 - cladograms
Compare the two cladograms below.
Discuss the effect of generation time on the rate of evolution.
The rate of evolution can be increased by factors such as:
warmer environments
The rate of evolution can be increased by factors such as:
the sharing of beneficial DNA sequences between different lineages
through sexual reproduction
The rate of evolution can be increased by factors such as:
horizontal gene transfer
animation
activity 2 – MRSA gene hunt
Your teacher will introduce you to the activity.
The aim of this activity is to highlight
the role of different genes in the
virulence, pathogenicity and evolution
of Staphylococcus aureus bacteria
strains.
MRSA gene hunt
activity 3 – X bacteria
Your teacher will introduce the practical.
Aim:
To investigate the
spread of antibiotic
resistance between
bacteria.
the X bacteria