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9 Cards in this Set

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  • Back
Structures called_____, capable of growth and metabolism, have been produced in the laboratory. Structures like these may have eventually evolved into heterotrophic prokaryotes.
Organisms known as ________________ are chemosynthetic autotrophs that survive in harsh conditions where there is little sunlight or oxygen
The ancient belief that nonliving materials could be transformed into living organisms was referred to as _________
Spontanious generation
the idea that life arises only from life is referred to as ________________
any indirect evidence left by an animal and may include a footprint, a trail, or a burrow.
Trace fossils
when minerals in rocks fill a space left by a decayed oranism, they make a replica, or ________, of the organism
A ____________ forms when an organism is buried in sediment and then decays, leaving an empty space.
____________-minerals sometimes penetrate and replace the hard parts of an organism.
_____________-void spaces in original organism infilled by minerals
Petrified/Permineralized fosslis
At times, an entire organism was quickly trapped in ice or tree sap that hardened into amber
Amber-Preserved or frozen fossils