In a muddy lake environment some fish have brown scales. Some fish have silver scales. Predators have a harder time seeing fish with brown scales. Which term best describes the brown scales?

Question

1. advantageous trait
2. inactivated gene
3. new mutation
4. predominant phenotype

Answer 1

The term that best describes the brown scales in this context is 1. advantageous trait. This is because the brown scales provide a survival advantage for the fish in a muddy lake environment, making it harder for predators to spot them.