Which of the following is a growing threat to animals that are believed to be critical to the success of natural remedies? competition for resources disease and illness poaching by hunters increase in predators

They could all be factors depending on what specific animal you are talking about, but id say your best option would be poaching by hunters, as that is a well known growing threat.

Explanation:

Poaching is nothing additional that the embezzled searching, killing, or capturing of untamed animals. It conjointly suggests that searching while not the license to hunt, or searching animals that are vulnerable or protected. Searching may be a sport that involves the stalking and killing of untamed animals.

age range would be the answer