Chapter 16 evolution Flashcards
Classically, evolution has been defined as a ______
A) process that involves artificial selection
B) spontaneous change that occurs in the DNA
C) change that occurs over time
D) all of the above
change that occurs over time
____ is a proposed evolutionary process in which long periods of species stability is followed by a rapid period burst or jump that results in a new species.
A) Punctuated equilibrium
B) Phyletic gradualism
C) Mass extinction
D) Geographic speciation
Punctuated equilibrium
Who wrote the book on THE ORIGION OF SPEICIES?
Charles Darwin
____ is the process by which a species or group of related species evolves rapidly into many different species that occupy new habitats or geographic zones.
A) Evolution
B) Natural Selection
C) Artificial Selection
D) Adaptive Radiation
Adaptive Radiation
Evolution involves changes in ____ frequencies over time.
A) gene
B) allele
C) chromosome
D) species
allele
The term_____ refer to the study of fossils.
A) paleontology
B) archeology
C) anthropology
D) fossilogy
paleontology
____ dating involves age-dating fossils with known time periods grouped into four eras that represent distinct ages in the history of the earth.
A) Absolute
B) Relative
C) Radioactive
D) Carbon
Relative
To be classified as a fossil, an organism must be at least________ years old.
A) 5,000
B) 10,000
C) 20,000
D) 50,000
10,000 years old
Structures that share similar anatomical features and embryonic development are said to be________.
A) homogenous
B) autologous
C) homologous
D) analogous
homologous
The germ layers of an embryo include which of the following?
A) Ectoderm
B) Mesoderm
C) Endoderm
D) All of the above
All of the above
Which of the following is characteristics of macroevolution?
A) Occurs on a small scale
B) Occurs above the species level
C) Involves a short period of time
D) Involves changes in a population (with a species) over time
Occurs above the species level
Which of the following is an example of microevolution?
A) Resistance of bacteria to penicillin
B) Origination of flowering plants
C) Dinosaurs giving rise to birds
D) Primates giving rise to humans
Resistance of bacteria to penicillin
On the Galapagos Islands, the finches diverged in response to the availability of ____ in the different habitats.
A) shelter
B) water
C) food
D) all of the above
food
Each of the species of finches on the Galapagos Islands has its own distinctive ____ and ______.
A) beak, ecological niche
B) wing structure, food source
C) mating call, food source
D) wing structure, ecologica
Each of the species of finches on the Galapagos Islands has its own distinctive ____ and ______.
A) beak, ecological niche
B) wing structure, food source
C) mating call, food source
D) wing structure, ecological niche
beak, ecological niche