Describes the theory of natural selection

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1. Which of the following statements best describes the theory of natural selection?

a. All organisms are equally suited to their environment.

b. Organisms better adapted to their environment have greater reproductive success.

c. Random selection will determine which organisms survive.

d. Organisms that produce the most offspring are better suited to their environment.

2. Which of the following is true?

a. All of the above.

b. Overuse of antibiotics can lead to the creation of antibiotic resistant strains.

c. Use of antibiotics in cows and chickens provides permanent protection from diseases.

d. Use of antibiotics to promote growth in cows and chickens is always beneficial.

3. Cultural traits of humans such as art and music started to appear about

a. 50,000 years ago.

b. 75,000 years ago.

c. 150,000 years ago.

d. 300,000 years ago.

4. Animals have traits/characteristics that make them well-suited to their environments. This is referred to as

a. genetics.

b. camouflage.

c. adaptation.

d. survival.

5. Darwin made use of all the following to form his theory of evolution EXCEPT

a. fossil evidence like dinosaur bones showing species had changed over time

b. closely related species on the Galapagos Islands

c. evidence of natural selection in animals

d. belief that the earth was about 5000 years old.

6. Charles Darwin's theory of evolution by natural selection--published in 1859-- failed to explain how

a. neither a nor b.

b. both a and b.

c. nature reduces variation in every generation as certain species survive better than others.

d. new genetic varieties of life can appear in every generation.

7. There is strong scientific evidence indicating that

a. none of the above.

b. evolution occurs at present only and rarely occurred in the past.

c. evolution occurred in the past only and no longer occurs.

d. evolution is occurring now.

8. Which one is a possible example of evolution?

a. A population of large turtles, separated in an environment different from others of its species, undergoes genetic variations over time to survive.

b. A group of brown mice, forced to spend time in the sun, grows fur that becomes lighter and lighter.

c. A giraffe stretches its neck to reach leaves in a tree and soon the giraffe's neck gets longer.

d. A caterpillar spins a cocoon and turned into a butterfly.

9. Charles Darwin's ideas about evolution developed

a. while at Cambridge University.

b. while on a sea voyage in the 1830s to South America aboard the H.M.S. Beagle.

c. after becoming a lecturer at Oxford University.

d. during fields trip in England and Wales.

10. The existence of dark peppered moths (once light-coloured) near English cities with heavy coal-burning industries in the 1800s indicated that

a. none of the above.

b. a sudden, major change in the environment can result in a faster pace of evolution for certain species.

c. evolution can't be used at all to explain scientifically why these moths changed colours.

d. the environment always favoured dark-coloured moths,especially near cities.

11. What does the term 'evolution' generally mean?

a. change of any kind.

b. genetic variation only.

c. gradual [slow] change over time.

d. sudden biological change in reaction to environmental changes.

12. A species is 'fitter', according to definitions of evolution, if it is

a. physically stronger than all the other species in its environment.

b. better dealing with extreme cold or extreme heat compared to other species.

c. producing more babies that survive than other species.

d. capable of killing other species.

13. What does the term 'evolution' generally mean?

a. change of any kind.

b. genetic variation only.

c. gradual [slow] change over time.

d. sudden biological change in reaction to environmental changes.

14. Darwin made use of all the following to form his theory of evolution EXCEPT

a. fossil evidence like dinosaur bones showing species had changed over time

b. closely related species on the Galapagos Islands

c. evidence of natural selection in animals

d. belief that the earth was about 5000 years old.

15. According to ____________, organisms that acquired new characteristics during their lifetimes--like stretched necks-- would then pass these on to their offspring.

a. Lyell

b. Lamarck

c. Malthus

d. Darwin

Reference no: EM133406991

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