Why is a polar bear's thick white fur considered an adaptive trait in the Arctic but would NOT be adaptive in a tropical rainforest?

The fur's usefulness depends on the environment.

The fur would change color to brown in the rainforest.

The polar bear would not like the hot weather.

The white fur would get dirty too easily in the rainforest mud.

Which of these is NOT an example of how an adaptive trait might help an organism?

Helping it hide from predators.

Any feature an organism has, like its color or size.

A behavior that an organism learns to do during its lifetime.

A special feature or behavior that helps an organism survive and have babies in its environment.

A trait that makes an organism look interesting to other animals.

It makes the cactus look shiny to attract insects.

It protects the cactus from being eaten by large animals.

It prevents water from evaporating from the cactus, helping it survive with little rain.

It helps the cactus absorb more sunlight for energy.

It will have a greater chance of staying alive and having offspring.

It will need to move to a new environment to find challenges.

It will stop evolving because it is already perfect.

It will have fewer babies to save its energy.