Seedy Section of the Forest

15 Points Per Correct Answer - No time limit  

1. Believe it or not, the development of seeds was a major step in the evolution of plants. First to develop were 'naked' seeds (not surrounded by fruit), which can be found among the conifers and other plants of what taxonomic division? angiosperms liverwort bryophytes gymnosperms

2. The next big advance, seedwise, was the evolution of flowering plants which surround their seeds with lovely nutritious tissue (aka fruit). To what division do these plants belong? gymnosperms liverwort bryophytes angiosperms

3. Well, seeds are very nice, but you still have to have two parents. In plants, the parents are haploid gametophytes (the male gametophyte is often contained in a grain of pollen), and they produce a diploid sporophyte, which in turn produces gametophytes of both genders. What is this pattern called? the Krebs Alternation Krebs Cycle Calvin Cycle alternation of generations

4. In flowering plants, the zygote is only one fertilization product. The other, the product of an event called 'double fertilization,' is a triploid cell that arises from the union of one sperm cell with two polar nuclei from the embryo sac. What is this triploid cell called? apple triploidon endosperm gametophyte

5. Flowering seed plants are often divided into two groups: monocotyledons and dicotyledons. What does 'cotyledon' mean? fruit supporting root vein structure (on surface of leaf) seed leaf

6. The earliest known seed plant, Elkinsia polymorpha, appeared in what geologic time period? Cretaceous Mesozoic Devonian Cenozoic

7. An unfertilized seed is partially surrounded by an integument (or protective layer). The hole in the integument is what pollen enters through; what is this opening called? drilone endosperm micropyle gametophyte

8. What is the process in which a seed begins to grow into a plant? dormancy germination birth budding

9. The integument, or protective layer surrounding a seed, is also known by which of these less scientific-sounding names? seed pod skin seed coat seed armor

10. Seed plants evolved in the oceans and only later made the transition to land. True False