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Ecology and Evolution
The first 200 words of this essay...
IB Biology SL II Ryan Martucci
Topic: 4 - Ecology and Evolution Date: 5-24-02 Period: 4th
Sub-topic: 4.3 - Evolution
4.3.1 1 Define evolution.
Evolution refers to the processes that have transformed life on Earth from
its earliest forms to the vast diversity that characterizes it today.
4.3.2 1 State that populations tend to produce more offspring than the
environment can support.
Populations tend to produce more offspring than the environment can
4.3.3 3 Explain that the consequences of the potential overproducing of offspring
is a struggle for survival.
Natural selection is the unequal ability of individuals to survive and
reproduce. But, natural selection occurs through the interaction of the
individuals with the environment and favorable variations of individuals.
So individuals that have favorable characteristics will stay alive and cause
natural selection to take place and reproduce offspring. If there is an
overproduction of offspring the species with the characteristics needed to
survive and live to the next generation and reproduce. This trend will lead
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