Podcast
Questions and Answers
Which of the following cannot evolve?
Which of the following cannot evolve?
- Populations
- Homologous structures
- Individual structures (correct)
- Phenotypes
How do biologists interpret the similarities between human arms, bat wings, and whale flippers?
How do biologists interpret the similarities between human arms, bat wings, and whale flippers?
- They are homologous structures that evolved from a common ancestral structure (correct)
- They are vestigial structures that serve no function
- They are adaptations to the respective environments of each organism
- They are analogous structures that evolved for similar functions
Natural selection acts on which of the following to affect the evolution of a population?
Natural selection acts on which of the following to affect the evolution of a population?
- Phenotypes (correct)
- Individual organisms
- Genetic variations
- Acquired characteristics
Which type of selection is most likely to occur when a population of finches has individuals with a range of beak sizes that specialize in different food sources?
Which type of selection is most likely to occur when a population of finches has individuals with a range of beak sizes that specialize in different food sources?
Which organism has the highest fitness in the evolutionary sense?
Which organism has the highest fitness in the evolutionary sense?
Which scenario is most likely to lead to allopatric speciation?
Which scenario is most likely to lead to allopatric speciation?
What is a unique characteristic of echinoderms not found in any other animal group?
What is a unique characteristic of echinoderms not found in any other animal group?
Which of the following is NOT a major trend in terrestrial plant evolution?
Which of the following is NOT a major trend in terrestrial plant evolution?
What does it mean that the genetic code is 'highly conserved'?
What does it mean that the genetic code is 'highly conserved'?
What animals lack a 'true' coelom?
What animals lack a 'true' coelom?
What are the three main parts of a seed?
What are the three main parts of a seed?
Which of the following lists the correct proposed time sequence (earliest to most recent) in the evolution of plants?
Which of the following lists the correct proposed time sequence (earliest to most recent) in the evolution of plants?
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