limited resources. natural selection. geographic isolation. climate change.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A cricket population includes approximately the same number of black and light-brown crickets. Black crickets are easier for birds to locate and eat. Over time, the population begins to consist of only light-brown crickets. The change in the color of the cricket population is a result of
Possibilities:
- limited resources.
- natural selection.
- geographic isolation.
- climate change.

natural selection.