Answer:
Like foundation species, ecosystem engineers contribute to the physical geography of their habitat. Ecosystem engineers modify, create, and maintain habitats. Ecosystem engineers modify their habitats through their own biology or by physically changing biotic and abiotic factors in the environment.
DNA evidence and the fossil record indicate are the ancestors of the living cetaceans were land-dwelling mammals. DNA evidence allows to trace the evolutionary origin of taxonomic groups.
DNA evidence refers to the linear order of nucleotides, which can be used to trace the evolutionary origin of a particular taxonomic group.
When the linear order of DNA nucleotides is conserved, it is known as sequence homology.
Fossils are preserved remains of organisms that once lived on the Earth, which can also be used as evidence to trace the evolutionary origin of a given group.
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I would go with ''mechanical weathering'' since that makes rock turn smaller and smaller due to the weather.
Earthquakes can be recognized through association of plates sliding past each other.
