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Darwin and Natural Selection
Evidence
Mechanisms
Miscelaneous
100
True or false, humans evolved from monkeys
False
100
What was the HMS Beagle?
Its the ship Darwin sailed on to the Galapagos.
100
Fossils are most often found in which type of rock?
sedimentary rock
100
Lamarck's ideas about evolution were wrong because he proposed that A. species change over time B. species depend on other species C. acquired characteristics can be inherited D. species are adapted to their environments
C. acquired characteristics can be inherited
100
The process by which a species passes out of existence is known as
extinction
200
A farmer's use of the best livestock for breeding is an example of A. natural selection B. artificial selection C. extinction D. adaptation
B. artificial selection
200
What the original purpose of the HMS Beagle's journey?
To chart the coast of South America.
200
Anatomical similarities of the body parts of animals with back bones are called _________ __________. For example: the limbs of reptiles, birds and mammals look very different and function differently BUT they are all constructed from the same basic bones!
homologous structures
200
What are mutations?
Changes in DNA/genes.
200
Which of the following could be passed on to future generations? A. a gene change in a liver cell B. cancer caused by excessive exposure to the sun C. a chromosomal alteration during gamete formation D. random breakage of a chromsosme in a leaf cell
C. a chromosomal alteration during gamete formation
300
A bird's wings are homologous to a(n) A. fish's tailfin B. alligator's claw C. dog's fron leg D. mosquito's wing
B. alligator's claw
300
Which statemnet is NOT part of the concept of natural selection? A. Individuals that pocess the most favorable variations will have the best cahnce of reproducing. B. Variation occurs among individuals in a population C. Mord individulas are produced than will survive D. Genes of an individual adapt to a changing environment.
D. Genes of an individual adapt to a changing environment.
300
Intermediate fossil forms are important evidence of evolution because they show A. how organisms changed over time B. how animals behaved in their environments C. how the embryos of organisms developed D. molecular homologies
A. how organisms changed over time
300
Populations of antibiotic resitant bacteria are the result of the process of
Natural selection
300
The separation of populations by barriers such as rivers or mountains is called ____________ isolation.
geographic
400
Geographic and reproductive isoloation are most closely associated with - speciation - extinction - overproduction - competition
- speciation
400
How well an organism survives and reproduces in its environment is called A. fitness B. homologies C. common descent D. analogies
A. fitness
400
The first lif forms to appear on earth were most likely what type of organisms?
unicellular
400
Which two species are most closely related? C and D E and I G and J A and F
A and F
400
A maple tree releases hundreds of seeds in a single season. This is an example of
overproduction
500
In a species of plant, the sudden appearance of one plant with a different leaf structure would most likely be the result of - stable gene frequencies - chromosomal mutations - slow environmental changes - asexual reproduction
chromosomal mutations
500
What was the title of Darwin's book? and What was his main point?
Title: On the Origin of Species Main point: Natural Selection
500
Which of the following does NOT provide evidence of evolution?
A. Fossil record B. the function of structures in an individual organism C. geographical distribution of living things D. homologous structures of living things
500
Fossil records indicate that between 8o million and 60 million years ago the structure of a horned dinosaur frequently underwent rapid changes separated by long periods of stability. This pattern of change illustrates the concept of - gradualism - puntuated equilibrium
- puntuated equilibrium
500
Which concept includes the other three? - competition - survival of the fittest - natural selection - overproduction
natural selection