Chapter 18
Biology: Life on Earth with Physiology · 7 exercises
Problem 1
Describe Stanley Miller and Harold Urey's experiment on laboratory simulation of prebiotic evolution.
5 step solution
Problem 2
How is the age of a fossil determined?
7 step solution
Problem 3
Explain the endosymbiont hypothesis for the origin of chloroplasts and mitochondria.
4 step solution
Problem 4
Name two advantages of multicellularity for plants and two for animals.
5 step solution
Problem 5
What advantages and disadvantages would terrestrial existence have had for the first plants to invade the land? For the first land animals?
4 step solution
Problem 6
Outline the major adaptations that emerged during the evolution of vertebrates from fish to amphibians to reptiles to birds and mammals. Explain how these adaptations increased the fitness of the various groups for life on land.
5 step solution
Problem 7
Outline the evolution of humans from early primates. Include in your discussion such features as binocular vision, grasping hands, bipedal locomotion, toolmaking, and brain expansion.
7 step solution