114 Birds lay the number
of eggs that produce
the optimum number
of offspring
Clutch control116 The bond with a true dog
is as lasting as the ties of
this earth can ever be
Animal behavior118 Redefine “tool”, redefine
“man”, or accept
chimpanzees as humans
Using animal models to
understand human behavior126 All bodily activity
depends on temperature
Thermoregulation in insectsECOSYSTEMS
132 Every distinct part of
nature’s works is
necessary for the
support of the rest
The food chain134 All organisms are
potential sources of food
for other organisms
The ecosystem138 Life is supported by a vast
network of processes
Energy flow through
ecosystems140 The world is green
Trophic cascades144 Islands are ecological
systems
Island biogeography150 It is the constancy of
numbers that matters
Ecological resilience152 Populations are subjected
to unpredictable forces
The neutral theory of
biodiversity153 Only a community
of researchers has a
chance of revealing
the complex whole
Big ecology154 The best strategy
depends on what
others are doing
Evolutionarily stable state84 By the help of
microscopes nothing
escapes our inquiry
The microbiological
environment86 If you do not know
the names of things, the
knowledge of them is lost
A system for identifying all
nature’s organisms88 “Reproductively isolated”
are the key words
Biological species concept90 Organisms clearly
cluster into several
primary kingdoms
A modern view of diversity92 Save the biosphere and
you may save the world
Human activity
and biodiversity96 We are in the opening
phase of a mass
extinction
Biodiversity hotspotsTHE VARIETY
OF LIFE
102 It is the microbes that
will have the last word
Microbiology104 Certain tree species
have a symbiosis
with fungi
The ubiquity of mycorrhizae106 Food is the
burning question
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