What is the difference in meaning between 应变 and 适应 here？ Is there a difference in meaning between 应变能力 and 适应能力 in this sentence？ If so, can you please try to explain it?

公司领导人认为，在未来十年的商战中，最重要的武器是应变能力、适应能力和创新能力。
应变 is a short form of 适应/应付 变化, 应变能力 means the capacity of adapt to the change (of environment). The key point is how to deal with the change.

适应能力 means the capacity of adapt to the environment, the key point is how to adapt to the existing environment.