Question

Which statement is the best example of trait variation?(1 point)
Responses

Researchers discover differences in leaf thickness between populations of a new oak species.
Researchers discover differences in leaf thickness between populations of a new oak species.

Researchers discover different mouth sizes in two new species of freshwater bass.
Researchers discover different mouth sizes in two new species of freshwater bass.

Researchers discover that gender in two new species of turtles is influenced by temperature.
Researchers discover that gender in two new species of turtles is influenced by temperature.

Researchers discover that high winter yield is possible in a new species of rice.

Answer 1

The best example of trait variation is:

**Researchers discover differences in leaf thickness between populations of a new oak species.**

This statement directly addresses the differences in a specific trait (leaf thickness) within populations, which is a key aspect of trait variation.