Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 11, Problem 4RQ
What is the difference between micro- and macroevolution?
a. Microevolution describes the evolution of small organisms, such as insects, while
macroevolution describes the evolution of large organisms, like people and elephants.
b. Microevolution describes the evolution of microscopic entities, such as molecules and proteins, while macroevolution describes the evolution of whole organisms.
c. Microevolution describes the evolution of populations, while macroevolution describes the emergence of new species over long periods of time.
d. Microevolution describes the evolution of organisms over their lifetimes, while
macroevolution describes the evolution of organisms over multiple generations.
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What is the difference between micro- and macroevolution? a. Microevolution describes the evolution of small organisms, such as insects, while macroevolution describes the evolution of large organisms, like people and elephants. b. Microevolution describes the evolution of microscopic entities, such as molecules and proteins, while macroevolution describes the evolution of whole organisms. c. Microevolution describes the evolution of organisms in populations, while macroevolution describes the evolution of species over long periods of time. d. Microevolution describes the evolution of organisms over their lifetimes, while macroevolution describes the evolution of organisms over multiple generations.
What does the term evolution mean?
A.
The characteristics of species become more complex over time.
B.
The strongest individuals produce the most offspring.
C.
The characteristics of an individual change through the course of its life, in response to natural selection.
D.
The characteristics of populations change through time.
What is Sympatric speciation?
A) When a population is separated from the main group by a barrier and becomes a new species
B) When a population mutates into a new species
C) When a population develops into a new species without any physical barriers to isolate them
Chapter 11 Solutions
Concepts of Biology
Ch. 11 - Figure 11.7 Do you think genetic drift would...Ch. 11 - Which scientific concept did Charles Darwin and...Ch. 11 - Which of the following situations will lead to...Ch. 11 - What is the difference between micro- and...Ch. 11 - Population genetics is the study of ________. a....Ch. 11 - Galapagos medium ground finches are found on Santa...Ch. 11 - In which of the following pairs do both...Ch. 11 - The wing of a bird and the arm of a human are...Ch. 11 - The fact that DNA sequences are more similar in...Ch. 11 - Which situation would most likely lead to...
Ch. 11 - What is the main difference between dispersal and...Ch. 11 - Which variable increases the likelihood of...Ch. 11 - The word “theory” in theory of evolution is best...Ch. 11 - Why are alternative scientific theories to...Ch. 11 - If a person scatters a handful of plant seeds from...Ch. 11 - Explain the Hardy-Weinberg principle of...Ch. 11 - Describe natural selection and give an example of...Ch. 11 - Why do scientists consider vestigial structures...Ch. 11 - Why do island chains provide ideal conditions for...Ch. 11 - Two species of fish had recently undergone...Ch. 11 - How does the scientific meaning of “theory” differ...Ch. 11 - Explain why the statement that a monkey is more...
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- Through _______, a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution c. adaptive divergence b. morphological convergence d. morphological divergencearrow_forwardWhich situation would most likely lead to allopatric speciation? a. A flood causes the formation of a new lake. b. A storm causes several large trees to fall down. c. A mutation causes a new trait to develop. d. An injury causes an organism to seek out a new food source.arrow_forwardWhat is an Analogy? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesarrow_forward
- Which evolutionary pattern is represented by the similarities between these two organisms that live on separate continents? a.) coevolution b.) convergent evolution c.) directional evolution d.) divergent evolutionarrow_forwardWhat does “descent with modification” mean?a. Populations that change quickly are likely to become extinct.b. Inherited traits change from generation to generation.c. Tracing an evolutionary tree from top to bottom reveals changes inspecies diversity.d. Parents change their own features before passing them on to offspring.arrow_forwardIn essay form, explain the benefits, effects, and contributions of the five agents of evolutionary change.arrow_forward
- what is a creation myth? why is knowing the creation myths important?arrow_forwardWhich statement illustrates the connection between natural selection and overreproduction of a population? a) populations vary in their inherited traits. b) species produce more offspring than can survive in the environment. c) individuals with inherited traits that promote survival tend to have more surviving offspring. d) individuals with traits that do not enhance survival cannot reproduce.arrow_forwardwhich statement about macroevolution is true? a. The history of life on Earth follows a general trend toward increasing diversity marked by rare mass extinction events. b. The theory of punctuated equilibrium proposes that most evolutionary changes occur over long periods of time. c. The theory of gradualism proposes that major evolutionary changes happen relatively rapidly and are then followed by long periods of little change. d. All scientific understandings are complete, as scientific investigations have now filled in all remaining gaps.arrow_forward
- About when did the common ancestor of chimpanzees, humans, gorillas, and orangutans last exist? a. Between 5 and 8 million years ago b. Less than 5 million years ago c. More than 15 million years ago d. Between 10 and 15 million years ago e. Between 8 and 10 million years agoarrow_forwardWhich colors are least represented, or absent, in the 2nd population? Use at least one buzzword (term) to explain why. Vocabulary terms: Natural Selection, Adaptation, Fitness, Genetic Diversity, Phenotype, Polymorphic, and Selective Pressurearrow_forwardWhich question below directly corresponds to whether Lamarck or Darwin are correct about their theories of the mechanisms of evolution? A.) Why don’t the shorter neck giraffes feed on grasses and lower vegetation? B.) How would the shorter necked giraffes in Lamarck’s theory survive to reproduce and pass on the “need” for longer necks if they were unable to reach food? C.) Why won’t the taller necked giraffes in Darwin’s theory provide assistance to the shorter giraffes since they are the same species? D.) Will the smaller giraffes be more adapted to hide from predators since they wouldn’t be visible from greater distances?arrow_forward
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