BIO Ch 14-15 Flashcards
Atoms of the same element that differ in the number of neutrons they contain are called…?
C. Isotopes
A. Microspheres
B. coacervate
C. Isotopes
D. All of the above
Methods of establishing the age of materials include the techniques known as…?
D. Radio metric dating
A. Mass number
B. microspheres
C. Half life
D. Radio metric dating
When nuclei releases particles or radiant energy, or both until the nuclei become stable…?
B. Radioactive decay
A. Mass number
B. radioactive decay
C. Half life
D. Microspheres
The length of time it takes for one half of any size sample of an isotope to decay to a stable form is…?
D. Half life
A. Mass number
B. isotopes
C. Radiocarbon dating
D. Half life
Spherical in shape and are composed of many protein molecules that are organized as a membrane…?
A. Microspheres
A. Microspheres
B. membranes
C. Coacervates
D. All of the above
Collections of droplets that are composed of molecules of different types, including lipids, amino acids, and sugars…?
D. Coacervates
A. DNA
B. ozone
C. Archaea
D. Coacervates
RNA molecule that can act as a catalyst and promote a specific chemical reaction…?
B. ribozyme
A. Ozone
B. ribozyme
C. Archaea
D. All of the above
A related group of unicellular organisms…?
C. Archaea
A. Cyanobacteria
B. ribozyme
C. Archaea
D. None of the above
CO2 serves as a carbon source for the assembly of organic molecules…?
D. Chemosynthesis
A. Cynobactetia
B. archaea
C. Ozone
D. Chemosynthesis
A group of photosynthetic, unicellular prokaryotes…?
B. Cyanobacteria
A. Fossils
B. Cyanobacteria
C. Oxygen
D. All of the above
The development of new types of organisms from preexsisting types of organisms over time is…?
A. Evolution
A. Evolution
B. strata
C. Fitness
D. Adaptation
Formed as new layers of rock are deposited over time…?
C. Strata
A. Evolution
B. natural selection
C. Strata
D. None of the above
A measure of individuals hereditary contribution to the next generation…?
D. Fitness
A. Differential reproduction
B. genetic variation
C. Over reproduction
D. Fitness
The remains or traces of an organisms that died long ago…?
A. Fossils
A. Fossils
B. relative age
C. Biogeography
D. None of the above
Fossils age compared to that of other fossils….?
B. relative age
A. Superposition
B. relative age
C. Absolute age
D. All of the above