If the same index fossils are found in two separate rock layers, the two rock layers most likely reveal a disconformity. reveal a nonconformity. were formed at the same time. were formed at different times. it will alot

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.