Bio 102 Lab 5 Quiz Study Guide Gymnosperms and Angiosperms Why are gymnosperms c
ID: 277626 • Letter: B
Question
Bio 102 Lab 5 Quiz Study Guide Gymnosperms and Angiosperms Why are gymnosperms called naked seed plants while angiosperms are referred to as vessel seeds? What is the difference between a seed a spore and a fruit? tree/plant slows metabolic activity and loses its leaves cyclically due to environmental variations while a not. tree plant does Differentiate between monoecious and dioecious plant species. What is the advantage of double fertilization? How might you differentiate between a monocot and a dicot species? 2. 3. 4. 5.Explanation / Answer
Pollen is a fine yellow powdery substance discharged from the male part of flower which is transpoted by wind ,insects or animals to pollinate female part of flower. Pollination is the transfer of pollen from the anther(male) to the stigma(female) of the same or female flower.Fertilisation is the process that occurs once pollen reaches stigma,producing a pollen tube which reaches stigma. 4 gymnosperm phyla are Coniferophyta - ex-Juniper juniperus Cycadophyta - ex- Encephalartos ferox Gingkophyta- ex- Ginko biloba Gnetophyta - ex - Ephedra Heterospory- is the production of spores of two different sizes and sexes by sporophytes of land plants.microspore is smaller and is male and larger mega spore is female spore. Staminate cone contains the male reproductive structures that produces microspores and the ovulate cone contains the female reproductive structures that produce mega spores. Microspores gives rise to male gametophyte and produce sperm cells and megaspore produces female gametophyte and produces an egg cell.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.