Ch 29
What do sporophytes produce?
Spores
What is the name of the process that transfers pollen to the part of a seed plant that contains the ovules?
Pollination
What makes sperm in angiosperms?
Antheridia
What kind of plant should you plant for your wife so that you don't have to replace it more than every third year?
(It takes more than 2 years to complete it's reproductive cycle)
Perennials
What is exchanged when stomata open? In what direction?
CO2 gain, water loss
What developmental stage to vascular plants depend on?
Sporophyte
How do coconuts disperse?
Water
Name 2 components in the male reproductive organs of angiosperms.
Anther, filament
List the three zones of the root primary (starting near the root cap)
root cap -->Zone of division --> Zone of elongation --> Zone of differentiation --> top
ABA causes stomata to...
close! (released in droughts when water is scarce)
What turns into female gametophytes?
Megaspores
Where are gymnosperm gametophytes found?
In cones
What plants use double fertilization? What are the main cells involved in double fertilization?
- 3 types of starting material
- 2 types of final products
Agiosperms
Sperm + egg --> Zygote
Sperm + 2 polar nuclei --> endosperm (3n)
List three leaf adaptations.
Possible answers:
Tendrils, spines, storage leaves, reproductive leaves.
What is the most important ion in opening stomata?(not H+)
K+
Name 3 types of bryophytes
Liverworts, hornworts, mosses
Name 3 phyla of gymnosperms
Potential answers:
Cycadophyta, ginkgophyta, gnetophyta, coniferophyta
Ovules undergo fertilization to become what? (before germination)
Seeds
What type of ground tissue supports young plant shoots and is living at maturity?
Collenchyma
At night
List at least 3 characteristics that are unique to land plants.
Possible answers:
Alternation of generations, Embryophytes, Sporangia, Multicellular gametangia, Apical meristem
Name 6 distinct characteristics that can be used to determine that a plant is a monocot.
One cotyledon, Parallel veins, Scattered vascular tissue, Fibrous roots, One pollen grain opening, Reproductive organs in multiples of Three
List each class of fruit and give an example for each.
Simple fruit (one carpel, one flower) - peas
Aggregate fruit (one flower, many carpels) - Raspberries, strawberries
Multiple fruit (many flowers, one carpel per flower) - Pineapple
Accessory fruit (one flower, many other tissues) - apple
What replaces epidermis with thicker periderm?
Cork cambium
Note: Periderm=cork cambium + cork
Name the type of plants that live in arid environments. (no, not cactus)
Xerophyte