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Evolution
Test Description: Evolution Test
Instructions: Answer all questions to get your test result.
1) Over a long period, species ' limbs shrink. Eventually , a new species is formed that travels entirely on its belly . Scientist would consider this an example of ?
A
a. mutation
B
b. evolution
C
c. migration
D
d. natural selection
2) Which of the following is NOT an example of natural selection?
A
c. Insects developing pesticide resistanc
B
d. Dog owners breeding their pets to produce friendlier offspring
C
a. Shrubs growing longer thorns over many generations
D
b. Male birds developing extremely colorful displays of feathers
3) Which of the following does not contain an example of an adaptation?
A
c. All birds have beaks
B
d. A giraffe's long neck helps it reach food
C
b. A turtle hides in the shell when threatened
D
a. A red eyed tree frog's green skin provides camouflague
4) How does natural selection lead to evolution?
A
a. Stronger offspring kill weaker members of the species
B
d. Environmental changes kill weaker members of the species
C
b. Helpful traits accumulate among surviving members of the species
D
c. Overproduction provides food from stronger members of the species
5) If a population of organisms is unable to adapt to change in the ecosystem , what will most likely happen?
A
a. Their DNA will mutate to a new form
B
d. A new species will form
C
c. The population will go extinct
D
b. The individuals will evolve
6) Which of the following factors has the greatest effect on whether the new fur color will become more common in the mouse population?
A
Whether the rate of reproduction in the mouse population stays the same
B
Whether the new coat color gene is dominant or recessive
C
Whether abundant food is available in the mouse habitat
D
Whether the new fur color gene will increase the survival of mice and their offspring
7) What process would farmers use to produce vegetable that will grow in a specific climate?a
A
c. evolution
B
b. selective breeding
C
a. natural selection
D
d. genetic variation
8) Which of the following best describes the relationship between variations and adaptations?
A
d. Adaptations result from variations only if they help an organism survive
B
b. All adaptations are variations and all variations help organisms survive
C
a. All variations are adaptations , but not all adaptations come from variations
D
c. Variations result from adaptations organisms make to the environment
9) Which of the following factors is necessary in order for natural selection to occur in a species ?
A
c. a hospital environment
B
a. genetic variation with in a population
C
d. a strong family
D
b. an abundance of food resources
10) On the Galápagos Islands, finches adapted over time to different food sources through changes in their beak structure. Which of the following most likely resulted from the finches’ beak structure adaptations? (14a) (Level 2)
A
c. A decrease in the reproductive rate in finches.
B
a. A decrease in predation on finches.
C
d. An increase in the number of different species of finches.
D
b. An increase in the competition among finches
11) A group of plant eating animals are separated from their population . In new environment , the only edible vegetation grows at the top of tall trees. Which of the following variations would be most useful adaptation to members in the group?
A
c. specialized digestive systems for the vegetarian diet
B
b. a long neck that can access available food
C
d. larger ears and eyes located on sides of head to detect predators
D
a. wide flat teeth adapted to grinding plant material
*select an answer for all questions
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