Based on this diagram, which of the following plants evolved first? A. conifers B. flowering plants C. nonvascular plants D. vascular, non-seeded plants
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Based on this diagram, which of the following plants evolved first?
-
A.
conifers
-
B.
flowering plants
-
C.
nonvascular plants
-
D.
vascular, non-seeded plants
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- LABORATORY ACTIVITY ANGIOSPERMS-MONOCOTS: ALISMATALES, ASPARAGALES, LILIALES, ARECALES AND POALES I. OBJECTIVES After the activity, the student should be able to, i) describe the monocots, i) enumerate the orders comprising the monocots and ii) mention the economic importance of several monocots II. MATERIALS Live or herbarium specimen of monocots: Alismatales, Asparagales, iliales, Arecales and Poales; reproductive structures of any representative species for each group, any reference materials for angiosperms monocots, internet, newspapers, pencil, oslo paper, erasers, coloring materials III. INTRODUCTION The monocots are characterized as having parallel veins, scattered vascular bundles, and a single cotyledon. Alismatales, Asparagales, Liliales, Arecales and Poales are important orders. Many are food and oil sources and some are ornamentals. The order Poales includes the families Cyperaceae, Eriocaulaceae, Juncaceae, Poaceae, Restoniaceae, Sparganiaceae, Typhaceae…Scientific Name Monocot or Dicot Type of Root System Modification (if any) Function(s) Dioscorea fasciculata Bryophyllum sp. Opuntia sp. Ipomea batatas Daucus carota Saccharum officinarum Allium cepaThe following structures are found on the underside of fern leaves and contain sporangia: sori rhizomes megaphylls microphylls
- Are gymnosperms heterosporous or homosporous? Explain what this means. What are the evolutionary "advances" represented by the seed? Edit View Insert Format Tools Table 12pt v Paragraph v BIU A v O words ...Match the definition with the proper terms Separate staminate and pistillate flowers on a plant Temporal separation of staminate and pistillate floral development within a plant The immediate product of male meiosis in an angiosperm The land plant lineage with the dominant gametophyte generation One of the two primary lineages of seed plants The class of floral organ mutant that results in a Carpel-Stamen-Stamen-Carpel arrangement (beginning with whorl 1). A plant that flowers if uninterrupted darkness is less than the critical photoperiod The central repressor of flowering (What gene is it?) [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ]acrial sporophyte collumella hydroids alternation of generation antheridium lеptoid liverworts perine layer pscudo-claters rhizoids cuticle hornworts elaters intercalary sporophyte mosses leafy gametophyte archegonium oil bodies gemmae stomates 18 19 20 14 11 10 13 12 16 15 5. 4
- Are gymnosperms heterosporous or homosporous? Explain what this means. What are the evolutionary "advances" represented by the seed? Provide two in your answer. Edit View Insert Format Tools Table 14pt Paragraph BIUA MAY étv MacBook ProScientific Name Monocot or Dicot Types of Root System Modification (if any) Function(s) Zea mays Monocot Adventitious Root System, Vanda sp. Monocot Adventitious Root System Aerial Roots or Epiphytic Roots Utilized for their attachment in tree branches. Cucurbita maxima Raphanus sativus Paspalum conjugatum Dioscorea fasciculata Pachyrhizus erosus Bryophyllum sp. Opuntia sp. Ipomea batatas Daucus carota Saccharum officinarum Allium cepaNasal congestion can be treated by pseudoephedrine - a compound based on the chemical structure of ephedrine. Which of the following gymnosperm divisions can be used to produce this compound -Bryophyta -Cycadophyta -Ginkophyta. -Coniferophyta -Gnetophyta
- The male gametophyte of the moss looks identical to the female from the naked eye, but the photo below (I.s. at 4x and then at 40 x) shows that the tip contains the structures where male gametes are produced.The gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single house for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 4x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (prothallus), rhizoids AMooD ok DrThe gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single house for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 4x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (prothallus), rhizoids MacB