A biologist observes that most newborn water snakes are heavily banded, but that these heavily banded snakes are eliminated from the population before they mature. Which factor most likely results in the elimination of heavily banded snakes?

A They have poor swimming skills.
B
They have low reproductive success.
C
They have an inability to locate prey easily.
D
They are easily spotted by predators.

D. They are easily spotted by predators.