Chapter Questions
What is plant reproductive biology?
What is pollination?
What two general features have evolved in flowers that function to effect animal pollination?
What products serve as a reward for animal pollinators?
What is a nectar guide? A landing platform?
For the following pollination mechanisms, name some floral syndromes (correlated structural modifications): (a) bee;(b) butterfly; (c) moth; (d) wind; (e) bird; (f) bat.
What are the two major or extreme types of breeding systems?
What are the advantages and disadvantages of outbreeding?
What is dichogamy? Name two specific types of dichogamy that can promote outcrossing.
What is hercogamy?
Define and explain: heterostyly, distyly (pin and thrum), tristyly, enantiostyly, movement hercogamy, trigger mechanisms. What is the overall function of these floral mechanisms?
What is self-incompatibility and what is its significance in plant reproductive biology?
What are the advantages and disadvantages of inbreeding?
What is the difference between allogamy, autogamy, geitonogamy, and allautogamy?
Name some types of inbreeding mechanisms.
What is agamospermy? How can it be detected?
What is hybridization? Introgression?
Define polyploidy.
Cite the ways that polyploidy can occur.
How can one test the breeding mechanism in plants? (cite specific ways to test)
If the following experiments are performed for plant species A-D, what can you say about the breeding mechanism based on the pattern of seed set?