Podcast
Questions and Answers
What is the definition of a species?
What is the definition of a species?
- An inherited trait that increases a population's chances of survival and reproduction
- The variety and abundance of species that make up a biological community
- Interbreeding populations of organisms that can produce healthy, fertile offspring (correct)
- A habitat and the role a population plays in that habitat
What is the primary source of variation in a population?
What is the primary source of variation in a population?
- Mutations (correct)
- Crossing over
- Combination of genes during fertilization
- Independent assortment of chromosomes
What is the result of adaptation in a population?
What is the result of adaptation in a population?
- A decrease in the number of species
- A decrease in biodiversity
- A decrease in variation
- Populations becoming suited for specific niches (correct)
What occurs when the environment changes?
What occurs when the environment changes?
What is the definition of biodiversity?
What is the definition of biodiversity?
What is the role of adaptation in a population?
What is the role of adaptation in a population?
What is the primary explanation for the distribution of fossils and living organisms worldwide?
What is the primary explanation for the distribution of fossils and living organisms worldwide?
What is the name of the process that describes the movement of solid continental plates above Earth's molten core?
What is the name of the process that describes the movement of solid continental plates above Earth's molten core?
What is the approximate percentage of types of organisms that have gone extinct over time?
What is the approximate percentage of types of organisms that have gone extinct over time?
What is the term used to describe the preserved remains or imprints of ancient organisms?
What is the term used to describe the preserved remains or imprints of ancient organisms?
Why are fossils of Mesosaurus found in both South America and Africa?
Why are fossils of Mesosaurus found in both South America and Africa?
How long does the Precambrian Time period represent on the 24-hour clock of Earth's history?
How long does the Precambrian Time period represent on the 24-hour clock of Earth's history?
