Chapter 45
Biology: Life on Earth with Physiology · 8 exercises
Problem 1
Diagram the general plant life cycle. Which stages are haploid and which are diploid? At which stage are gametes formed?
3 step solution
Problem 3
Describe the development of the female gametophyte in a flowering plant. How does double fertilization occur?
3 step solution
Problem 5
What are the parts of a seed, and how does each part contribute to the development of a seedling?
3 step solution
Problem 6
Describe the characteristics you would expect to find in flowers that are pollinated by the wind, beetles, bees, and hummingbirds, respectively.
4 step solution
Problem 7
What is the endosperm? From which cell of the female gametophyte is it derived? Compare the storage site of endosperm in monocot and dicot seeds.
4 step solution
Problem 8
Describe three mechanisms whereby seed dormancy is broken in different types of seeds. How are these mechanisms related to the typical environment of the plant?
3 step solution
Problem 9
How do monocot and dicot seedlings protect the delicate shoot tip during seed germination?
4 step solution
Problem 10
What benefits do plants provide to their pollinators?
5 step solution