Lesson 5
⥠75 XP3 steps~20 min
The Animal Kingdom
The largest animal migration on Earth happens in South Africa every year â not wildebeest, but sardines. 1.5 billion sardines move up the KwaZulu-Natal coast, triggering a feeding frenzy involving sharks, dolphins, gannets, and whales. Every participant belongs to a different vertebrate class.
What you'll unlock
1Compare invertebrate and vertebrate body plans using observable structural features
2Classify South African animals into at least 5 invertebrate phyla and all 5 vertebrate classes
3Explain why 97% of animal species lack a backbone and what this reveals about evolutionary success