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Unformatted text preview: 14. The movement that is common between land mammals and aquatic mammals is the movement of the spine up and down when moving. 15. The name of organisms with 4 limbs is the tetrapod. 16. The evolution of land Mammals occurred 307 million years ago. 17. Limbs evolved before tetrapods left the water for land. 18. Swimming creatures are the types of animals to first evolve hands. 19. Animals first appeared on Earth 520 million years ago in a time called the Cambrian explosion. 20. The basic body plan consists of a head, tail, and appendages. 21. Genes control the development of body segments in animals. It is no the same for all animal body plans. 22. What is common among all animals in their development? 23. Bipedalism is a crucial point in human evolution. 24. Lemurs are living analogs for tree dwelling animals. 25. The closet living relative of humans is the chimp. 26. The type of movement evolved in chimps and gorillas is knuckle walking....
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This note was uploaded on 04/07/2008 for the course BIO 101 taught by Professor Sledge during the Spring '08 term at CSU Fullerton.
- Spring '08