Final answer:
Searching for a target with a specific feature can be more difficult because it requires focusing on that feature, filtering out irrelevant options, and may require specialized knowledge or resources.
Step-by-step explanation:
When the target of a search is defined by having a specific feature, it can make the search more difficult. This is because the searcher needs to identify and consider that feature while conducting the search. For example, if the target is a book with a red cover, the searcher needs to focus on books that have a red cover. This adds an extra layer of complexity to the search process.
One reason why searching for a target with a specific feature is more difficult is because it narrows down the options. Instead of searching through a wide range of possibilities, the searcher needs to filter out irrelevant options and focus only on those that have the desired feature. This requires more attention and careful consideration.
In addition, searching for a target with a specific feature may require specialized knowledge or resources. For instance, searching for a particular species of bird in a forest requires knowledge about bird species and their habitats. It may also require equipment such as binoculars or bird calls to attract the bird's attention. These additional requirements can make the search more challenging.