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100
A species is a group of organisms a. that lives together with similar characteristics. b. that shares similar characteristics and can reproduce among themselves to produce fertile offspring. c. across a wide area that cannot reproduce. d. that choose mates from among themselves.
What is b. that shares similar characteristics and can reproduce among themselves to produce fertile offspring.
100
What might a series of helpful variations in a species result in? a. adaptation b. embryology c. fossils d. climate change
What is a. adaptation
100
What theory proposes that species evolve during short periods of rapid change? a. gradualism b. evolution c. absolute dating d. punctuated equilibrium
What is d. punctuated equilibrium
100
Differences between members of the same species are called a. predators. b. selections. c. traits. d. variations.
What is d. variations.
100
The principles of __________ __________ include variation and competition.
What is natural selection.
200
Which of the following is considered a factor in natural selection? a. limited reproduction b. competition for resources c. no variations within a population d. plentiful food and other resources
What is b. competition for resources
200
A trait that helps an organism survive and reproduce is called a(n) a. mutation. b. selection. c. adaptation. d. variation.
What is c. adaptation.
200
Which of these is one of the main ways new species form? a. Cross-breeding occurs within the species. b. A group is separated from the rest of the species. c. Competition occurs between members of the species. d. Mutations occur in the genes of members of the species.
What is d. Mutations occur in the genes of members of the species.
200
What term refers to a species creating more offspring than can possibly survive? a. natural selection b. overproduction c. evolution d. variation
What is b. overproduction
200
The model that describes evolution as a slow, ongoing process by which one species changes to a new species is known as _______________________.
What is gradualism.
300
According to Lamarck’s hypothesis of acquired characteristics, which statement best explains the changes in the camel over time? a. All characteristics developed during an individual’s lifetime are passed onto offspring. b. Characteristics that do not help the organism survive are passed onto offspring. c. Variation of the species leads to adaptation. d. Individuals moving from one area to another carry with them new characteristics.
What is a. All characteristics developed during an individual’s lifetime are passed onto offspring.
300
What is the role of genes in evolution? a. Only genes can be acted on by natural selection. b. Parents with recessive genes die from overproduction. c. The genes of most surviving parents have only dominant alleles. d. Only traits that are controlled by genes can be acted on by natural selection.
What is a. Only genes can be acted on by natural selection.
300
What did Darwin observe about finches in the Galapagos Islands? a. Their feathers were adapted to match their environment. b. Their beaks were adapted to match the foods they ate. c. They had identical genes in all locations. d. They looked alike in all locations.
What is b. Their beaks were adapted to match the foods they ate.
300
How does natural selection lead to evolution? a. Stronger offspring kill weaker members of the species. b. Helpful traits accumulate among surviving members of the species. c. Overproduction provides food for stronger members of the species. d. Environmental changes kill weaker members of the species.
What is b. Helpful traits accumulate among surviving members of the species.
300
According to the ______________________ _________________________ model, rapid evolution comes about when the mutation of a few genes results in the appearance of a new species over a relatively short period of time.
What is punctuated equilibrium.
400
Some harmless species imitate or mimic a poisonous species as means for increased survival. What is this an example of? a. acquired characteristics b. adaptation c. variation d. geographic isolation
What is a. acquired characteristics
400
Which term refers to the process by which individuals that are better adapted to their environment are more likely to survive and reproduce? a. natural selection b. overproduction c. competition d. variation
What is a. natural selection
400
What theory proposes that evolution occurs steadily in tiny changes over long periods of time? a. gradualism b. relative dating c. natural selection d. punctuated equilibrium
What is a. gradualism
400
The gradual change in a species over time is called a. mutation b. evolution c. migration d. variation
What is b. evolution
400
The example of the peppered moths living near English industrial cities demonstrates that: a. a change in an environment can result in the evolution of species living there. b. evolution occurs so slowly that it is not possible to determine that it has happened in less than a million years. c. the environment near these cities has always favored dark colored moths. d. darker color is always an advantageous trait for peppered moths.
What is a. a change in an environment can result in the evolution of species living there.
500
Variation between members of a species plays an important role in Darwin’s theory of evolution. What happens to variation in an endangered species where the number of individuals is very low?
The level of variation is lower with an endangered species because the number of individuals is so low.
500
Explain how bacterial resistance to antibiotics is an example of punctuated equilibrium.
Punctuated equilibrium is when a species changes in a relatively short period of time. Bacteria became resistant to antibiotics over several decades.
500
Describe an environment where an albino animal would not be at a disadvantage.
In an environment with a lot of snow.
500
__________________ ____________________ means that organisms with traits best suited to their environment are more likely to survive and reproduce.
What is natural selection
500
Change in inherited characteristics over time is _______________________.
What is evolution.