Answer:
Option (1)
Step-by-step explanation:
Trace fossils are defined as those traces such as the impressions and signs of ancient remains of an organism, that are found over relatively softer sediment.
These play a very important role in the field of paleontology as it provides information about the ancient organism that lived in the past in a particular location.
Some of the examples of trace fossils are track and trails, burrows, footprints, cast and mold.
Shrimp burrows are an example of trace fossils, which are made by the marine organisms named shrimps, that are usually found at the bottom of the ocean.
Thus, the correct answer is option (1).