Podcast
Questions and Answers
What is the core concept of biological evolution?
What is the core concept of biological evolution?
- The formation of mountain ranges over time
- The process of trees shedding their leaves
- Descent through genetic inheritance from a common ancestor (correct)
- The change in seasons over the course of a year
What is the outcome of the process of evolution?
What is the outcome of the process of evolution?
- The formation of a single, uniform species
- The elimination of all species except humans
- A decrease in diversity of life on Earth
- A pattern of relationships between species (correct)
What is the purpose of building 'family trees' in evolutionary biology?
What is the purpose of building 'family trees' in evolutionary biology?
- To predict the extinction of species
- To determine the age of the Earth
- To study the evolution of a single species
- To reflect evolutionary change and relationships between species (correct)
What is the implication of the evolutionary concept that all life on Earth shares a common ancestor?
What is the implication of the evolutionary concept that all life on Earth shares a common ancestor?
What is the result of the evolutionary process of descent with modification?
What is the result of the evolutionary process of descent with modification?
What is the focus of the study of human evolution and the origin of life?
What is the focus of the study of human evolution and the origin of life?
What is the primary way that scientists reconstruct evolutionary relationships?
What is the primary way that scientists reconstruct evolutionary relationships?
What are the three primary domains that all life on Earth may be split into?
What are the three primary domains that all life on Earth may be split into?
What does the root of a phylogenetic tree represent?
What does the root of a phylogenetic tree represent?
What occurs when a lineage separates, resulting in branching on a phylogenetic tree?
What occurs when a lineage separates, resulting in branching on a phylogenetic tree?
What is required for natural selection to occur?
What is required for natural selection to occur?
What is the term for the different forms of genes that determine various inherited traits?
What is the term for the different forms of genes that determine various inherited traits?
