Which of the following is not evidence that plants and the animals that eat them are locked in an evolutionary "arms race"?
A. R genes, instrumental in plant pathogen
recognition, form one of the largest gene
families in plants.
B. Plants produce over 6000 alkaloids that
act as chemical defense molecules.
C. Plants produce over 10,000 terpenoid
compounds.
D. Plants in areas of high herbivory often
produce low levels of defense compounds in
their leaves.
E. There are many specialist herbivores that
are able to detoxify and in other ways avoid
the chemical defenses produced by the plant
they consume.
D
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Oxygen released by _____ accumulated in the atmosphere and produced the ozone layer
a. archaeans b. aerobic bacteria c. cyanobacteria d. early eukaryotes
The ____________________ includes bones of the limbs, shoulders and hips. Fill in the blank(s) with the appropriate word(s)
The biological specialty that deals with the reconstruction and study of phylogenies is called ________.
Fill in the blank(s) with the appropriate word(s).
The pathogenesis of Acute Glomerulonephritis caused by Streptococcus pyogenes is:
A. Genetic susceptibility B. Toxigenic C. Immune mediated D. Pyogenic