BIO Ch 14-15 Flashcards
(25 cards)
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
The time since formation…?
D. Absolute age
A. Relative age
B. vestigial structure
C. Phylogeny
D. Absolute age
The study of locations of organisms around the world…?
A. Biogeography
A. Biogeography
B. homologous structure
C. Analogous structure
D. All of the above
Closely related functions but do not derive from the same ancestral structure….?
B. analogous structure
A. Homologous structure
B. analogous structure
C. Phylogeny
D. Vestigial structure
The relationship between ancestry among groups of organisms…?
C. Phylogeny
A. Superposition
B. biogeography
C. Phylogeny
D. All of the above
The process by which different species evolve similar traits is…?
B. convergent evolution
A. Adaptive radiation
B. convergent evolution
C. Coevolution
D. None of the above
When a human breeder chooses individuals that will parent the next generation…?
D. Artificial selection
A. DNA
B. convergent evolution
C. Adaptive selection
D. Artificial selection
States that all living things come from other living things…?
A. Biogenesis
A. Biogenesis
B. half life
C. Coacervate
D. All of the above
How long did it take for earth to form from a swirling mass of gases….?
C. One half billion years
A. 2000 years
B. 50000 years
C. One half billion years
D. 1000000 years
Carbon-14 dating methods can be used for organic materials less than ——- years old?
D. 60,000 years old
A. 70,000 years old
B. 80,000 years old
C. 100,000 years old
D. 60,000 years old
