<p>1.During early development ,the embryo of chicken and the embryo of a pig both share many similarities ,including gill slits ,tails and two chambered heart, the similarity of these embryo suggests that chicken and pigs most probably:
(A)Have a common ancestor
(B)Use gills for breathing in the early amniotic fluid
(C)carry on anaerobic respiration as embryo
(D)have gills slits for breathing in an emergency as adult .
(E)Have two chambered heart as adult</p>
<p>2.the splints in a horse foot are the remains of :
(A)Toes
(B)teeth
(C)flippers
(D)a coccyx
(E)gill slits</p>
<p>3.all of the following are factors in the development of new species EXCEPT :
(A)Variation
(B)asexual reproduction
(C)sexual reproduction
(D)Isolation
(E)Natural selection</p>
<p>4.14.The Hardy Weinberg Principles applies to :
(A)The cell Theory
(B)the theory of spontaneous generation
(C)Experimental embryology
(D)Population Genetics
(E)the germ theory of disease</p>
<p>5.whaich of the following lions has greatest Fitness ?
(A)a male that dies young and leaves three cubs that are raised by an unrelated female
(B)a female that raises four of the cousin young
(C) a male that is the leader of his social group is the oldest and strongest , and has two cubs of his own.
(D)a female that raises five young of unrelated female
(E)a male that has one cub with two different females</p>
<p>6.all of the following statements about evolution are tru EXCEPT :
(A)living things have changed
(B)Modern living things developed from simpler organisms
(C)evolution has taken place over many millions of years
(D)evolution is still going on
(E)evolution has ceased</p>
<p>7.the presence of gill slits in the Rabbit embryo indicates that :
(A)Rabbit breath by gills in the gastrula
(B)Rabbit descended from amphibian
(C)Vertebrates have a common ancestor
(D)Acquired character inheritance
(E) the theory of generation may be true
8.the most likely explanation for the presence of useless Hipbones in the whale is that
(A)the whale is descended from the coelacanth
(B)the whale is descended from ancestor that used Hipbones
(C)all vertebrates have Hipbones
(D)the comparative anatomy of the whale is like that of any other water animal
(E)all vertebrates have four limbs</p>
<p>9.The perception test help establish evidence for evolution in the field of :
(A)anatomy
(B)Comparative anatomy
(C)Embryology
(D)Plant and animal Breeding
(E)Geographic distribution</p>
<p>10.Progression from simple to complex forms is summarized in the term :
(A)Sedimentary
(B)Petrifaction
(C)Evolution
(D)Catastrophism
(E)Erosion</p>
<p>11.the first Scientist to present a theory of evolution was :
(A)De Vries
(B)Weisman
(C)Lamarck
(D)Darwin
(E)Lyenko</p>
<p>12.The theory of use and disuse was based on :
(A)Gene change
(B)chromosome change
(C)Change brought about by the environment
(D)Mitotic change
(E)Mutations</p>
<p>13.According to the Hardy-Weinberg Principles ,the gene pool may remain stable if there are :
(A)Randomating
(B) Many Mutations
(C)Frequent Migration
(D)selected Mating
(E)Random Mutation</p>
<p>14.36.According to the Hardy-Weinberg Principles ,allele frequencies change when evolutionary forces act on a population ,all of these are possible evolutionary forces EXCEPT :
(A)Mutation
(B)Gene flow
(C)genetic drift
(D)random mating
(E)Natural selection</p>
<p>15.The Process of evolution where an ancestral species evolves into an array of species that occupy different Niches is Called :
(A)Gradualism
(B)Convergence evolution
(C)adaptive Radiation
(D)Punctuated equilibrium
(E)divergent evolution</p>
<p>16.40.For natural selection Occur m which of the following Must be true :
(A)Individual must evolve
(B)the environment must be constant
(C)Variation among organisms must exist
(D)traits must be acquired
(E) Many species must be Present</p>
<p>17.physical structure in an organism that no Longer serve a function in its current environment But that were once developed and functional are called :
(A)adaptation
(B)Homologues structure
(C)Forelimb
(D)Vestigial structure
(E) analogues structure</p>
<p>18.as means to avoid predators ,an insect and squirrel both develop flaps between flaps between their legs that allow them to glide in the air ,This is Example of :
(A)Divergent evolution
(B)speciation
(C)convergent evolution
(D)Co evolution
(E)Biological magnification</p>
<ol>
<li>Natural selection is an evolutionary force that can affect an entire population ,one species can evolve into two species when only the extreme forms of a trait are favored and intermediate forms are selected against this is known as :
(A)artificial selection
(B) directional selection
(C)targeted selection
(D)disruptive selection
(E)stabilizing selection</li>
</ol>