Final answer:
A black widow spider snaring an insect to eat is an example of a heterotroph, which is an organism that cannot produce its own food and must obtain nutrients by consuming other organisms.
Step-by-step explanation:
A black widow spider snaring an insect to eat is an example of an organism called a(n) heterotroph. Heterotrophs are organisms that cannot produce their own food and must obtain nutrients by consuming other organisms. In this case, the black widow spider is a predator that preys on insects to meet its nutritional needs.
Learn more about Heterotrophs