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Pamela McGlynn ∙
a species can gradually change into new species
Trilobite
Food supply
The ability to survive and reproduce
There must be genetic variation in the population
The system must not be in hardy-weinberg equilibrium.
resources must be limited in the ecosystem
Natural selection occurs when four conditions are met:
1. There is variation among individuals.
2. That variation is at least partially heritable.
3. That variation is linked to differential reproductive success.
4. More individuals are born than can survive and reproduce.
A landslide or volcanic eruption is a kind of primary disturbance. It causes a very drastic and sudden change in the landscape.
marsh or swamp in warm sub tropical climates
The method an organism uses to produce offspring
the way that a species creates offspring
A: Japan
Most horned toads love the hot, dry desert environments.
C) apex
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