Relative Dating
DNA RTT
Theory of Evolution
fossils/
extinction
extinction
bio evidence
100
the actual age a fossil or event is
absolute age
100
The process of making two DNA molecules from a single DNA molecule is known as
DNA replication
100
The process by which individuals with variations live longer and compete better than those without the variation
natural selection
100
A fossil that has characteristics of both ancestral organisms and organisms that evolved later
transitional fossil
100
Structures that lost their original function through evolution
vestigial
200
the type of rock that contains fossils
sedimentary
200
Name one difference between DNA and RNA
- DNA is double stranded, RNA is single stranded
- DNA contains thymine, RNA contains uracil
- DNA contains deoxyribose, RNA contains ribose
200
slight differences in inherited traits among individual members of a species are known as
variations
200
Give an example of a sudden environmental change that can lead to extinctions
volcanic eruptions or meteorite impact
200
inherited structures that have different functions
homologous
300
Which layer is the youngest?
A
300
This type of mutation occurs when one or more base is added to a DNA sequence
insertion
300
the process of breeding organisms with desired traits
artificial selection
300
Fossil formation that shows the activity of an organism
trace fossil
300
Give an example of an analogous structure
ex. bird and fly wings
400
What does the principle of superposition mean?
in undisturbed rock layers, the oldest rocks are on the bottom
400
The process of making mRNA from DNA
DNA transcription
400
Camouflage is an example of which adaptation?
structural
400
Fossil formation type that results in the carbon outline of an organism
carbonization
400
What is embryology?
the study of the development of embryos from fertilization to birth
500
What type of unconformity occurs when a layer of sedimentary rock overlies a layer of igneous rock?
nonconformity
500
Where do transcription and translation occur?
transcription: nucleus
translation: ribosome
500
In order for a mutation to be passed, it must occur in one of what 2 cells?
sperm and egg
500
Rock-forming minerals fill in the space of tissues and preserve the internal structures of an organism in this fossil formation type
mineralization
500
the study of gene structure and function is known as
molecular biology