CAMPBELL BIO TXT+MOD.MAST.BIO W ETEXT
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ISBN: 9781323257937
Author: Reece
Publisher: PEARSON C
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Chapter 32, Problem 5TYU
EVOLUTION CONNECTION A professor begins a lecture on animal phylogeny (as shown in Figure 32.11) by saying,“We are all worms”. In this context, what did she mean?
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EVOLUTION CONNECTION A professor begins a lecture onanimal phylogeny (as shown in Figure 32.11) by saying, “We areall worms.” In this context, what did she mean?
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Chapter 32 Solutions
CAMPBELL BIO TXT+MOD.MAST.BIO W ETEXT
Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - Prob. 2CCCh. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Distinguish the terms grade and clade.Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 3CCCh. 32.4 - Prob. 1CCCh. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...
Ch. 32.4 - Prob. 3CCCh. 32 - Prob. 32.1CRCh. 32 - What caused ihe Cambrian exploston? Describe...Ch. 32 - Describe how body plans provide useful Information...Ch. 32 - Prob. 32.4CRCh. 32 - Prob. 1TYUCh. 32 - The distinction between sponges and other animal...Ch. 32 - Prob. 3TYUCh. 32 - Prob. 4TYUCh. 32 - EVOLUTION CONNECTION A professor begins a lecture...Ch. 32 - SCIENTIFIC INQUIRY INTERPRET THE DATA Redraw the...Ch. 32 - WRITE ABOUT A THEME: INTERACTIONS Animal life...Ch. 32 - SYNTHESIZE YOUR KNOWLEDGE This organism is an...
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- Which clade does not include humans?(A) synapsids(B) lobe-fins(C) diapsids(D) osteichthyansarrow_forwardFigure 12.8 Which animals in this figure belong to a clade that includes animals with hair? Which evolved first: hair or the amniotic egg?arrow_forwardThe evolution of wings helped the insect clade to be very successful. In this example, wings are an _______. a. derived trait c. key innovation b. adaptive trait d. all of the abovearrow_forward
- Need help Investigate the changes in taxonomy since Linnaeus. Note major changes, such as the recognition that sponges are not plants (Linnaeus thought they were), the changing classification of barnacles (Linnaeus thought they were bivalves), and the breakdown of Linnaeus’s phylum, Vermes (worms).arrow_forwardWhich of the following groups of early-diverging animals is comprised of two layers of cells that float around in the ocean? a. Cnidaria b. The sponges c. Ctenophores d. Placozoaarrow_forwardImagine you come across a flatworm. Determine whether it is a Cestode or Turbellarian? Give two distinct differences between the two without naming the same structure/invisible features of each animal (e.g animal x has 2 wings, animal y has 4 wings are not distinct differences)arrow_forward
- EVOLUTION CONNECTION Darwin suggested looking at aspecies’ close relatives to learn what its ancestors may havebeen like. Explain how his suggestion anticipates recentmethods, such as phylogenetic bracketing and the use ofoutgroups in cladistic analysis.arrow_forwardImagine if mermaids were real. Make a Cladogram (Evolutionary Origin) showing its closest relative (most shared characteristics) and where modifications evolved.arrow_forwardGiven homologous structures like a bird’s wing & whale’s flipper and analogous structures like a bird's wing & insect's wing, prove evolution.arrow_forward
- Imagine if centaurs were real. Make a Cladogram (Evolutionary Origin) showing its closest relatives (most shared characteristics) and where modifications evolved.arrow_forwardcompare the body symmetry of the organisms: jellyfish, scypha, planaria (dugesia), protoreaster, sea urchin larva, butterfly, tilapia Which phylum exhibited secondary radial symmetry? How did you arrive with that conclusion? type of symmetry phylum/phyla example specimens advantage of this symmetry asymmetrical radial bilateralarrow_forwardBIOLOGY: Major Animal Phyla After examining the different specimens, construct a dichotomous key to the different phyla. 1. Develop a DICHOTOMOUS KEY to the CLASSES of Phylum MOLLUSCA: Class Polyplacophora (specimen:Tonicella lineata), Class Bivalvia (specimen:Mytilus (mussel)), Class Gastropoda (specimen:Achatina fulica (Giant African snail) & Cyprea sp. (cowry), & Class Cephalopoda (specimen: Loligo sp. (squid), Octopus vulgaris (octopus)) 2. Develop a DICHOTOMOUS KEY to the CLASSES of Phylum ARTHROPODODA. Class Chilopoda (specimen: Scolopendra (centipede) ) Class Diplopoda (specimen: Aclacodricus (millipede)) Class Insecta (specimen: Melicodes (grasshopper)) Class Crustacea (specimen: Penaeus (shrimp) & Portunus (crab) ) & Class Arachnida (specimen:Theridion (spider))arrow_forward
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Discovering the tree of life | California Academy of Sciences; Author: California Academy of Sciences;https://www.youtube.com/watch?v=AjvLQJ6PIiU;License: Standard Youtube License