Review 5 Flashcards
Name three characteristics of plants.
autotrophs,
multicellular eukaryotes,
alternation of generation
How did plants originate?
ancestor: green algae,
moved from water to land
When both reproductive structures are on the same gametophyte, the structure is ___.
monoecious
What form of reproduction is represented by gemmae cups? What group produces these structures?
dioecious,
liverworts
Which group of plants lacks vascular tissue?
bryophytes
liverworts and mosses
What did the development of vascular tissue allow plants to do?
grow taller
competition for sunlight
The antheridium houses which type of reproductive organ?
male- swimming sperm
What type of cell division reduces the cells from diploid to haploid?
meiosis
Is the fern frond a gametophyte or sporophyte?
sporophyte
What types of vascular tissue carry water from roots to leaves and from leaves to roots?
xylem
What controls the air flow into and out of a leaf?
guard cells around the stomata
Why is gymnosperm seed referred to as “naked seed”?
seeds in cones
not enclosed in fruit
The species of flowering plants make up what percentage of the plant kingdom?
95%
List four differences between monocots and dicots.
monocots- one cotyledon, parallel leaf veins, scattered vascular bundles in stems, fibrous root system;
eudicot- two cotyledons, branched/etc. leaf veins, stems’ vascular bundles in distinct ring, tap root system
What is the method of dispersal of pine pollen?
distributed by wind/insects
