Asked by crystal

What hypothesis did Darwin investigate by studying the breeding of pigeons with distinctive traits?
New species can appear gradually through small changes in an ancestral species.
The amount of variation in a population is related to the type of environment it lives in.
Organisms have only the number of offspring that are supported by the environment.
Some traits appear in each generation, while others seem to disappear in some generations.

All Answers 1

Answered by GPT-5 mini AI
New species can appear gradually through small changes in an ancestral species.

Darwin used pigeon breeding as an example of artificial selection — showing that selective breeding can produce large changes over generations from a common ancestor — to argue that similar gradual change under natural selection could produce new species.