[Bio1] Q3 EoQR and some announcements

Reminders for the third quarter:

  1. NBs are due at SHB109 at 1130AM tom, 12/12 (only required for people with grades lower than 1.75)
  2. Concept paper for the Bio YMSAT project is due on Friday, 12/14.
  3. EoQRs below are required for everyone. I will be taking down the online form on Dec 16th.
  4. Additional recitation points for the quarter may be earned by playing games or creating something. You have until the first week of January to complete this. Send me a screenshot/show me the finished product by January 4th :

Guide Questions for the Second Long Test (Bio1)

Multicellular Algae

  • How does alternation of generations occur in the life cycle of Ulva?

Intro to Kingdom Plantae and the Bryophytes

  • List the five characteristics of plants.
  • Why is the colonization of land by photosynthetic organisms a milestone in evolution?
  • Which algal group is the most probable ancestor of the first terrestrial plants? Justify.
  • What are the advantages of terrestrial life?
  • Describe how land plants deal with the following aspects of terrestrial life: water supply, exposure to sunlight, transport of water and nutrients, gas exchange, and reproduction.
  • List the general characteristics of bryophytes.
  • Name the groups under bryophytes and differentiate them from each other in terms of common names/appearance of the sporophyte and gametophyte/other distinguishing structures.
  • For the life cycle of a typical bryophyte:
    • What is the dominant stage?
    • Describe all the haploid and diploid structures; sporophyte and gametophyte structures: spore, protonema, male gametophyte, female gametophyte, antheridium, archegonium, sperm, egg, zygote, embryo, capsule, stalk, rhizoid, gemma cup/gemmae.
    • Describe when/where fertilization and meiosis occur and name their products.

Tracheophytes

  • List the general characteristics of tracheophytes.
  • Briefly describe the four groups of early vascular plants as well as the features they have in common.
  • For the life cycle of a typical fern:
    • What is the dominant stage?
    • Describe all the haploid and diploid structures; sporophyte and gametophyte structures: frond, rhizome, root, sporophyll, sorus, spore, prothallus, archegonium, antheridium, egg, sperm, zygote, fiddlehead.
    • Describe when/where fertilization and meiosis occur and name their products.
    • List the general characteristics of spermatophytes and relate these to their success in colonizing land.
    • Differentiate between gymnosperms and angiosperms in terms of structures present.
    • Name the parts of a seed and give their functions.
    • Name the four groups under gymnosperms and differentiate them from each other in terms of common names/appearance/structures.
    • For the life cycle of a typical conifer:
      • What is the dominant stage?
      • Describe all the haploid and diploid structures; sporophyte and gametophyte structures: ovulate cone, pollen cone, megasporangium, microsporangium, megaspore, pollen grains, female gametophyte, integument, egg, sperm, pollen tube, seed, seed coat, food reserves, embryo, mature sporophyte.
      • Describe when/where fertilization and meiosis occur and name their products.
      • How many megaspores are formed? How many survive?
      • How many sperm nuclei reach the female gametophyte? How many are actually involved in fertilization?
      • List the reproductive parts of the flower and give their functions. Which parts of the flower form the fruit and seeds?
      • Differentiate between monocots and dicots in terms of embryos, leaf vein patterns, arrangement of xylem and phloem in stems, roots, pollen, and flower parts.
      • For the life cycle of a typical angiosperm:
        • What is the dominant stage?
        • Describe all the haploid, diploid, and triploid structures; sporophyte and gametophyte structures: mature sporophyte, anther, microsporocyte, microspore, pollen grain, ovary, megasporocyte, megaspore, ovule, stigma, pollen tube, embryo sac, polar nuclei, egg cell, sperm nuclei, zygote, endosperm seed, embryo.
        • Describe when/where fertilization and meiosis occur and name their products.
        • How many megaspores are formed? How many survive?
        • How many sperm nuclei reach the female gametophyte? How many are actually involved in fertilization?
        • What is double fertilization and what are its products?