What is Terrestrial?
'''Terrestrial''' might mean: *In [[astronomy]] it means a [[Rock (geology)|rocky]] planet like the [[Earth]], as opposed to a [[gas giant]] like [[Jupiter]]. [[Mercury (planet)|Mercury]], [[Venus]], Earth and [[Mars]] are the [[terrestrial planets]]. *In [[ecology]] it means an area of [[land]], as in terrestrial [[ecosystem]]. *In [[zoology]], a [[terrestrial animal]] is one which lives on land. *In [[botany]]: growing in the [[soil]], not (for example) [[epiphyte|epiphytic]]. {{disambig}}