Answer Key > River dolphins are morphologically distinct from other dolphins and are primarily restricted to freshwater ecosystems in Asia and South America. Determining the phylogeny of these animals based on morphology has been difficult because they have a large number of derived characters including a long, narrow rostrum (beak), a low dorsal fin
River dolphins are morphologically distinct from other dolphins and are primarily restricted to freshwater ecosystems in Asia and South America. Determining the phylogeny of these animals based on morphology has been difficult because they have a large number of derived characters including a long, narrow rostrum (beak), a low dorsal fin ...[Show More]
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| Category: | Answer Key |
| Number of pages: | 4 |
| Language: | English |
| Last updated: | 3 weeks ago |
| Downloads: | 1 |
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