The core idea is correct: Evolutionary theory predicts that species will respond to similar environments in similar ways. This is because natural selection favors traits that increase an organism's survival and reproductive success in a given environment. If two species face similar challenges (e.g., limited resources, predators, harsh climate), they are likely to evolve similar adaptations to cope.

Examples:

* Convergent evolution: This is a prime example. Animals from different lineages that live in similar environments often evolve similar body shapes, behaviors, or physiological adaptations. For example, dolphins (mammals) and sharks (fish) both have streamlined bodies and fins for swimming.

* Analogous structures: These are structures that perform similar functions but have different evolutionary origins. Bird wings and bat wings are analogous structures, both evolved for flight, but they have different underlying skeletal structures.

Caveats:

* Not always identical: Even in similar environments, species will not always evolve identical adaptations. There are other factors that can influence evolution, such as genetic drift, founder effects, and historical contingencies.

* Different starting points: Species begin with different genetic backgrounds, so even if they face similar selection pressures, the resulting adaptations may not be exactly the same.

* Environmental variation: Environments are rarely perfectly identical. Even within a seemingly uniform environment, there can be subtle variations that lead to different evolutionary trajectories.

In summary: While evolutionary theory predicts that species will respond to similar environments in similar ways, it's important to remember that the process is complex and the results are not always identical.