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Biogeography
| Question | Answer |
|---|---|
| Zones of bare or sparsely vegetated soil around certain plants such as the creosote bush (Larrea are often evidence of: | Allelopathic inhibition of neighboring plants |
| The phrase "spatial patterns of biological diversity" in biogeography refers to: | The arrangement of species, communities, and ecosystems across geographic space |
| Which of the following best explains why higher taxonomic levels (e.g., families) are more likely to show cosmopolitan distributions? | Families encompass multiple species adapted to different environments |
| A taxon confined to a limited geographic area and found nowhere else is called an taxon. | endemic |
| Which of the following is NOT a category of continuous distribution? | Amphitropical |
| The distribution of pantropical taxa is primarily restricted because they: | Are sensitive to temperature or cannot compete in other climate zones |
| Which plant family is a classic example of pantropical distribution? | Arecaceae |
| The genus Picea (spruce) is most strongly associated with which distribution pattern? | Circumboreal |
| Circumpolar taxa are characterized by distributions that: | Circle the Arctic and Antarctic regions |
| The study of interactions among organisms within ecosystems | The science that documents and explains the spatial distribution of biological diversity |
| A disjunct distribution is best defined as one in which a taxon's geographic range is: | Divided into two or more geographically separate areas |
| Which of the following is an example of a recognized disjunct distribution pattern? | East Asia / North America |
| The three main categories of continuous distributions are | pantropical, circumboreal, circumpolar |
| Which of the following questions would be most appropriately addressed by biogeography? | Why are marsupials primarily distributed in Australia and South America? |
| Fossil evidence showing that the genus Liriodendron was once widespread but is now restricted to East Asia and Eastern North America most strongly supports which explanation for its disjunct distribution? | Range contraction due to climatic change |
| Which of the following best describes a cosmopolitan taxon? | A taxon ideally found worldwide, though rare at the species level |
| The Arecaceae (palm) family exemplifies which distribution type? | Pantropical |
| A taxon that occurs throughout the Arctic and Antarctic regions is best described as: | Circumpolar |
| Which genus is a classic example of a circumboreal distribution? | Circumboreal |
| Amphitropical taxa are characterized by distributions that: | Occur on both sides of the tropics but not within them |
| The creosote bush (Larrea) shows an amphitropical distribution because: | It occurs in deserts of North and South America but not in tropical regions |
| Which factor is considered an ecological (permissive or selective) influence on species distribution? | Climatic limits and biotic competition |
| A narrow endemic taxon is best defined as one that: | Is confined to a very small geographic area |
| The pitcher plant family (Sarraceniaceae) displays which disjunction? | North America-South America |
| Which question reflects the type of inquiry central to biogeography? | Why is a species confined to its present range? |
| Which factor is studied under historical biogeography? | Continental drift and evolutionary processes |
Created by:
zahriabeshea