[Solved] If you have data that consist of matched pairs collected from two dependent populations, then it may be appropriate to use the Wilcoxon signed ranks test. Terrestrial Life: Organisms that live and thrive on land, as opposed to in water or air. Land Plants: A large group of terrestrial plants, including bryophytes, ferns, and seed plants, that are key contributors to terrestrial ecosystems and the global oxygen cycle. Megafossils: Large fossilized remains or impressions of plants or animals visible to the naked eye, used in the study of paleontology. Paleontologist: A scientist who studies fossils to understand the history of life on Earth, including the evolution of plants and animals.