Geologic time
Fossils
Fossils Part 2
Darwin and Evolution
Biotech and GMOs
100
What is the order of the geologic time scale longest to shortest time?
Eons-Eras-Period-epochs
100
Name the order (oldest to newest) of this rock structure
C, B, D, A
100
What conditions aid in the formation of fossils?
Hard Parts and fast burial
100
What is Natural Selection?
Species with traits best suited to their environment are most likely to survive
100
What is the term for crossing two organisms with desirable traits to produce offspring with those same traits?
Selective Breeding or artificial selection
200
What is the name of the Era that represents 80% of the geologic time scale?
Precambrian
200
What type of dating uses unstable, radioactive elements to date rock?
Absolute age dating
200
What is a mold fossil?
impression left behind by an organism
200
What is the study of similarities and differences of body parts of different species?
Comparative anatomy
200
Double Jeopardy
What is the term for using technology to change the genetic makeup of living things for human purposes?
Biotechnology or genetic engineering
What is the process of genetically engineering an organism?
300
What type of living creatures existed in the first Era on earth?
Single celled organisms
300
What is the term for the amount of time it takes for half of a radioactive element to decay?
half-life
300
What is a carbon fossil?
A fossil that leaves only a thin layer of carbon from the organism
300
What is the term for body parts that are similar in structure but differ in function?
Homologous Structures
300
Why did scientist insert the gene for human insulin into bacteria?
To make large quantities of insulin for diabetics
400
What allowed for genetic variation during the first Era on earth allowing single celled organisms to evolve into more complicated beings?
Sexual reproduction
400
Double Jeopardy
What is the name of the type of fossil shown in the picture and how is it used?
Index Fossil and it is used for relative age dating rock.
Why is it important that an index fossil only lived for a short period of time?
400
Where are most fossils found?
Sedimentary rock
400
What is the term used for structures that are similar in function but differ in structure?
Analogous structures
400
What is a purpose for mapping all the genes on human chromosomes?
Identifying inherited disorders
500
What is the order of Eras from oldest to youngest, not including the Precambrian
Paleozoic, Mesozoic, Cenozoic
500
Name at least 3 types of Relative age dating
Superposition, original horizontality, laterial continuity, cross cutting relationships, inclusions
500
What is the Earth's approximate age?
4.6 billion years
500
Double jeopardy
Traits that help organisms survive in their external environment are called?
Adaptations
Name one adaption talked about in the chapter
500
Double Jeopardy
What is the name given to a carrier molecule in gene therapy?
Vector
What is the most common Vector?