Podcast
Questions and Answers
What is the point at which the curves of immigration and extinction rates intersect?
What is the point at which the curves of immigration and extinction rates intersect?
- The point of minimum biotic diversity
- The point of maximum extinction
- The point of maximum biotic diversity
- The equilibrium point (correct)
What is the effect of increasing distance of an island from its source of colonists?
What is the effect of increasing distance of an island from its source of colonists?
- It has no effect on the biotic diversity
- It decreases the rate of extinction
- It increases the rate of immigration
- It lowers the rate of immigration (correct)
What is the consequence of increasing the area of an island?
What is the consequence of increasing the area of an island?
- It increases the rate of extinction
- It lowers the rate of extinction (correct)
- It decreases the rate of immigration
- It has no effect on the biotic diversity
What is the relationship between the rate of change of species and the equilibrium point?
What is the relationship between the rate of change of species and the equilibrium point?
What is the number of species present on an island at the equilibrium point?
What is the number of species present on an island at the equilibrium point?
What is the purpose of the curves of immigration and extinction rates?
What is the purpose of the curves of immigration and extinction rates?
What is the main factor that affects the climate with respect to latitude?
What is the main factor that affects the climate with respect to latitude?
What is the characteristic of the Inter-Tropical Convergence Zone (ITCZ)?
What is the characteristic of the Inter-Tropical Convergence Zone (ITCZ)?
What is the result of the air being heated over the equator?
What is the result of the air being heated over the equator?
What is the purpose of a climatic diagram?
What is the purpose of a climatic diagram?
What is the effect of the seasonality of drought on the biome type?
What is the effect of the seasonality of drought on the biome type?
What is the significance of the Tropic of Cancer and Capricorn?
What is the significance of the Tropic of Cancer and Capricorn?
What type of flora dominated the Cool temperate regions during the Mesozoic?
What type of flora dominated the Cool temperate regions during the Mesozoic?
What was the percentage of all life that became extinct after a massive die-off in the Mesozoic?
What was the percentage of all life that became extinct after a massive die-off in the Mesozoic?
What was the approximate temperature on Earth during the Cretaceous period compared to today?
What was the approximate temperature on Earth during the Cretaceous period compared to today?
What event caused the extinction of about 75% of the diversity of Earth's life?
What event caused the extinction of about 75% of the diversity of Earth's life?
What was the diameter of the crater formed by the meteorite that struck Earth 66 million years ago?
What was the diameter of the crater formed by the meteorite that struck Earth 66 million years ago?
What was the effect of the meteorite strike on the Earth's flora?
What was the effect of the meteorite strike on the Earth's flora?
What is the primary characteristic of angiosperm seeds?
What is the primary characteristic of angiosperm seeds?
During which geological period did ice periodically cover many parts of the Earth's surface?
During which geological period did ice periodically cover many parts of the Earth's surface?
What is the term for unsorted glacial sediment?
What is the term for unsorted glacial sediment?
What is the shape of a valley formed by glacial erosion?
What is the shape of a valley formed by glacial erosion?
What is the term for a plant that produces cones and has seeds that lack an outer coat?
What is the term for a plant that produces cones and has seeds that lack an outer coat?
What is the name of the current geological epoch that is characterized by a lack of glaciers?
What is the name of the current geological epoch that is characterized by a lack of glaciers?
What was the result of the melting of the ice caps on the Earth's crust?
What was the result of the melting of the ice caps on the Earth's crust?
What is the term for the change in sea level due to the melting of ice?
What is the term for the change in sea level due to the melting of ice?
What prevented the colonization of new habitats by species after the glacier retreat?
What prevented the colonization of new habitats by species after the glacier retreat?
Which species of shrew was able to reach Ireland?
Which species of shrew was able to reach Ireland?
What is the term for the rebound of the mantle and lithosphere after the melting of a glacier?
What is the term for the rebound of the mantle and lithosphere after the melting of a glacier?