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☆☆☆☆☆a species can gradually change into new species
Evolution.
sex cells
Emigration is the act of moving out of a country.
It is distinguished from Immigration that is the act of moving into a new country.
closely related species occupying the same niche.
The varieties of beak structures among Galapagos finches is a good example of adaptation. Temperature and food sourcing influence the development of the differing beaks.
There must be genetic variation in the population
The system must not be in hardy-weinberg equilibrium.
resources must be limited in the ecosystem
Vestigial structures do not harm the organism. Nature selects against only harmful traits.
They make the species more genetically diverse
That plant needs stable weather.
The method an organism uses to produce offspring
the way that a species creates offspring
