Hi this would be called the blind spot. Hope this helps.
Nucleotides - they are molecules present in cells and are formed by nitrogenous bases
The first statement describes the environmental factor that affected the skipper butterflies.
When the birds became involved in the skipper butterflies ecosystem, they became a biotic environmental factor. The other answer choices are not environmental factors, but they are adaptations and examples of survival of the fittest.
Hope this helps! Good luck! :)
They classify on how they reproduce.
