Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 32, Problem 1COQ
Summary Introduction
To determine: The place where wild plants representing all of the phyla of gymnosperm including three types of Gnetales are present.
Introduction: The gymnosperms are the group of vascular plants which produces naked seeds. They were the dominant plant species before the evolution of the
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What are the common features among the three orders under the paleodicots(Laurales, Magnoliales and Piperales)? Why are they presumed to be the first angiosperms?
http://botit.botany.wisc.edu/botany_130/diversity/plants/mosses.html
Make a complete moss life cycle with the following phases and structures. Note: download the images of Mnium from this link and arrange them in the exact sequence to make the lifecycle. Lifecycle structures with cell division: Meiosis, fertilization within archegonium, capsule (sporangium), spores (n), protonema (n) (Image), male gametophyte (n) (Image), female gametophyte (n) (Image), antheridia (Image), archegonia (Image), sperm, egg, water, zygote (2n), embryo, young growing sporophyte (2n), mature sporophyte (2n) (Image), rhizoids. You can insert the non-image part, using the textbox and fill out the suitable s text. For symbol, click on the shape option and inter in your lifecycle diagram at the required place
From the seed plant phylogeny, which of the following is true of the Gnetophyta?
a) They are a paraphyletic group
b) They are monophyletic with Pinophyta
c) They are the sister group to Ginkgophyta
d) They could have evolved before or after Cupressophyta split from Pinophyta
e) Their seeds are contained in ovaries
Chapter 32 Solutions
Biology
Ch. 32.2 - Core Skill: Connections Look ahead to Figure...Ch. 32.2 - Prob. 1CCCh. 32.2 - Prob. 2CSCh. 32.2 - Prob. 2CCCh. 32.3 - What other trait occurs widely among angiosperms...Ch. 32.3 - What advantage does the nonshowy perianth of grass...Ch. 32.3 - CoreSKILL Designing an experiment requires a plan...Ch. 32.3 - Prob. 2EQCh. 32.4 - Prob. 1CSCh. 32.4 - Prob. 1CC
Ch. 32 - What feature(s) must be present for a plant to...Ch. 32 - Prob. 2TYCh. 32 - Prob. 3TYCh. 32 - What similar features do gymnosperms and...Ch. 32 - Prob. 5TYCh. 32 - Prob. 6TYCh. 32 - Prob. 7TYCh. 32 - Prob. 8TYCh. 32 - Prob. 9TYCh. 32 - Prob. 10TYCh. 32 - Make a diagram that shows how plant biologists...Ch. 32 - Explain why fruits such as apples, strawberries,...Ch. 32 - Core Concept: Structure and Function Compare the...Ch. 32 - Prob. 1COQCh. 32 - How would you go about trying to solve what Darwin...
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- What is the genetic load in angiosperms and gymnosperms of the following structures: Microsporophyll Microsporangium Microsporocyte Microspora Microgametophyte Megasporophilic Megasporangium Megasporocyte Megaspore Megagametophytearrow_forwardLinnean- or rank based classification systems have placed the cycads, ginkgo, conifers and gnetophytes, respectively, into separate categories, of equal ranking (i.e., each gymnosperm group a Phylum or Division). Is the Linnaean classification of each gymnosperm group justifiable, based on the information shown in the figures?arrow_forward1) Read the following paragraph carefully. There are several mistakes within the paragraph. The ancestors of seed plants are thought to have been heterosporous. In modern day gymnosperms, megasporangia produce the gametes that give rise to the male gametophyte. Gymnosperm and angiosperm megasporangia have one integument layer. The megasporangia is haploid and makes the megaspore. a) How many mistakes are in the above paragraph? b) Rewrite the paragraph to be correct. Underline any changes you make to correct the statements.arrow_forward
- Select the obvious vegetative and/or habit features that you think will be most helpful in identifying them: Family Arecaceae Family Cyperaceae Family Poaceae: Subfamily Bambusoideae Family Poaceae: Rest of the members (the typical grasses) Family Orchidaceae Family Cucurbitaceae Genus Caladium Genus Allium Genus Rhizophora Genus Codiaeumarrow_forwardDescribe the orders ANGIOSPERMS-EUDICOTS : ERICALES, GENTIANALES, LAMIALES, SOLANALES, APIALES AND ASTERALES in terms of plant habit, reproductive type (monoecius/dioecius), leaf type, leaf shape, floral characteristics, fruit morphology, seed size/shape, and other distinct features.arrow_forwardWhich of the following statements best compares the two dominant lineages of modern angiosperms? -Monocots are monophyletic whereas eudicots have multiple origins. -Monocots have only one pistil per flower whereas eudicots have three. -Monocots have only one cotyledon whereas eudicots have two. -Monocots are lycophylls whereas eudicots are euphylls. -Monocots have only one stamen per flower whereas eudicots have six.arrow_forward
- The evolutionary relationships among the major groups of seed plants are uncertain. The cladogram below is one possible representation of these relationships. Which of the following can be inferred from this cladogram of the seed plants? eudicots monocots other angiosperms angiosperms water lities Amborella conifers gnetophytes gymnosperms cycads early seed plants girikgo /arrow_forwardThe work of plant taxonomists of the 20th century who identified /established the different families of flowering plants based mainly on morphological and anatomical details is still valued and being used today, despite the general acceptance of the Angiosperm Phylogeny Group (APG) as a classification system for the flowering plants. Explain why.arrow_forwardDescribe the orders under the gymnosperms (Cycadales, Ginkgoales, Coniferalesn and Gnetales) in terms of plant habit, reproductive type (monoecius/dioecius) leaf type, leaf shape, seed size/shape, special seed characteristics, cone morphology and other distinct features.arrow_forward
- Most of the approximately 900 species of gymnosperms are conebearing plants. On the surfaces of their cone scales are ovules, which later become seeds. These ovules are said to be naked because they are not completely enclosed by diploid tissue (as the ovules of angiosperms are). This characteristic gives the gymnosperms their name; gymnos is a Greek word meaning naked, and sperma means seed. Botanists now divide the gymnosperms into four groups: conifers, cycads, ginkgos, and gnetophytes.arrow_forwardDescribe the orders under the Agiosperm uedicots (Fragales, Brasicales, Malvales, Myrtales and Sapindales) in terms of plant habit, reproductive type (monoecius/dioecius), leaf type, leaf shape, floral characteristics, fruit morphology, seed size/shape, and other distinct features.arrow_forwardIn a sentence or two, either support or refute the following statement: The pollen grains of angiosperms are homologous to the spores of bryophytesarrow_forward
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