WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 10, Problem 8MC
Summary Introduction
Introduction:
Phylogeny is theory of how organisms are related to one another, throughout evolution. In other words it is the history of evolution. Evolutionary trees are used in studying phylogeny.
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(1) Seeds would be an example of an:
I) autapomorphy II) plesiomorphy III) synapomorphy IV) symplesiomorphy
(2) Flowers would be an example of an:
I) autapomorphy II) plesiomorphy III) synapomorphy IV) symplesiomorphy
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
1. Of the following characteristics of plants, which are inherited (shared with green algae) and wh.
are new (evolved within the plant lineage only)?
a) Multicellular sporangia
b) Presence of chloroplasts
c) Sessile (doesn't move)
d) Embryos supported by parents
e) Apical meristems
f) Cellulose cell walls
Chapter 10 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
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- Briefly describe the phylogeny of each in regards to its classification within the four supergroups: a) Amoeba b) Paramecium c) Euglenaarrow_forwardWhat key traits distinguish each group from the other listed in the comparison? A) All land plants from green algae? B) Pteridophyta (ferns) from Bryophyta (mosses)? C) Angiosperms from ferns?arrow_forwardFerns, such as the one in the picture, can be found today. they are usually found growing in warming climates. However, fossils of ferns have been found in places with cold climates where it often snows today. What can we conclude about the place where the fossils of ferns have been found? A) ferns used to live in cold climates. B) these places once had a warmer climate. C) these places once had a colder climate D) someone tired to grow ferns in cold climatesarrow_forward
- Which of the following statements characterize the megaphyll line of evolution? A) They differ from microphylls by developing a single, unbranched vein rather than a branched vascular system.B) They are believed to have evolved from branching telomeres that flattened and developed photosynthetic tissue between the branches.C) They developed into leaves that can also be called lycophyllsD) They developed into the large leaves of the angiospermsarrow_forwardCan you please solve number 5 and 6 and show all of the steps and say the correct letterarrow_forwardAccording to the endosymbiont theory: a) modern plant cells are able to carry out photosynthesis because their ancestors engulfed cyanobacteria. b) chloroplasts and mitochondria evolved from prokaryotic cells. c) ancestral eukaryotic cells acquired the ability to carry out aerobic respiration as a result of engulfing aerobic bacteria. d) a and c e) a, b and carrow_forward
- Draw a complete moss plant and label the following structures: A.) sporophyte, B.) gametophyte, C.) phyllidia, D.) caulidia, E.) rhizoids, F.) foot, G.) seta, H.) capsule. Attach the labeled drawing please :)arrow_forwardIs protist dna in a nucleus unicellular or multicellular?According to the phylogeny presented in this chapter which protists are in the same eukaryotic supergroup as plants a) green algae b) dinoflagellates c) red algaed both a and c in a lifecycle with alternation of generations multicellular haploid forms alternate with a unicellular haploid forms b unicellular diploid formsc multicellular haploid forms d) multicellular diploid formsarrow_forwardWhich statement is usually true about phylogenetic trees? a) nodes represent points when traits have evolved b) branch tips that are next to each other are more closely related c) the branching pattern describes the hypothesized evolutionary relationships between the taxa d) the order of the branch tips (left to right) indicates which taxa are more advanced evolutionarilyarrow_forward
- What traits do bryophytes and tracheophytes have in common? Check all that you think apply.A) they both undergo alternation of generationsB) they both have chlorophylls a and b.C) they both have an asexual life cycle stage.D) they both have multicellular gametangiaE) they both have apical meristemsarrow_forwardWhich of the following statements is accurate? a) All plants have identical sporangia, all producing the same type of spores b) Plants have an embryo that is protected inside (and nourished by) the gametophyte c) Gametangia produce gametes by meiosis whereas sporangia produce spores by mitosis d) Gametangia always produce haploid gametes whereas sporangia produce diploid spores e) Gametangia are multicellular structures whereas sporangia are unicellular structuresarrow_forwardIn embryophytes, especially spermatophya, what is the difference between a "sporocyte" (e.g., megasporocyte) and the actual spore (e.g., megaspore)? a) Meiosis: Megasporocyte is still diploid, megaspore haploid b) Mitosis, number of nuclei: Megaspore has eight cell nuclei, megasporocyte only one c) Cytokinesis: Megasporocyte has only one cell, Megaspore can have several (as endosporic gametophyte). d) None: the two terms are synonymous. e) Meiosis: Megaspore is still diploid, megasporocyte haploidarrow_forward
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