Biology: Concepts and Investigations
5th Edition
ISBN: 9781260542202
Author: Marielle Hoefnagels
Publisher: Mcgraw-hill Higher Education (us)
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Textbook Question
Chapter 21, Problem 3PIT
3. Draw a concept map that summarizes the chordates, including both invertebrates and vertebrates.
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15. On the tree below, mark the place or places that three tissue layers have evolved in
animals.
Tissue
Lineage
Layers
Porifera
N/A
Cnidaria
2.
Platyhelminthes
3.
Rotifera
3.
Annelida
3.
Mollusca
Nematoda
3
Arthropoda
Echinodermata
3.
Chordata
Is the possession of three tissue layers homologous or convergent among animals?
2. In your opinion, should we consider chordates as more superior than invertebrates?
1. Draw an annotated diagram of a crayfish (one external picture and one internal picture),
making sure to identify/label and clearly show the following: head, thorax, abdomen,
cephalothorax, carapace, antennae, green glands, compound eyes, walking legs, pinching claws,
digestive tract, mouth, anus, brain, heart, gonad (choose male or female and label accordingly),
muscle, and exoskeleton.
Chapter 21 Solutions
Biology: Concepts and Investigations
Ch. 21.1 - Prob. 1MCCh. 21.1 - Prob. 2MCCh. 21.1 - Prob. 3MCCh. 21.1 - Prob. 4MCCh. 21.1 - Prob. 5MCCh. 21.1 - What advantages does segmentation confer?Ch. 21.1 - Prob. 7MCCh. 21.2 - Prob. 1MCCh. 21.2 - Prob. 2MCCh. 21.2 - Prob. 3MC
Ch. 21.2 - Prob. 4MCCh. 21.3 - Prob. 1MCCh. 21.3 - Prob. 2MCCh. 21.3 - Prob. 3MCCh. 21.3 - Prob. 4MCCh. 21.4 - Prob. 1MCCh. 21.4 - Prob. 2MCCh. 21.4 - Prob. 3MCCh. 21.4 - Prob. 4MCCh. 21.5 - Prob. 1MCCh. 21.5 - Prob. 2MCCh. 21.5 - Prob. 3MCCh. 21.5 - Prob. 4MCCh. 21.5 - Prob. 5MCCh. 21.6 - What defining feature arose in the annelid lineage...Ch. 21.6 - Prob. 2MCCh. 21.6 - Prob. 3MCCh. 21.6 - Prob. 4MCCh. 21.6 - Prob. 5MCCh. 21.7 - Prob. 1MCCh. 21.7 - Prob. 2MCCh. 21.7 - Prob. 3MCCh. 21.7 - Prob. 4MCCh. 21.7 - Prob. 5MCCh. 21.8 - Prob. 1MCCh. 21.8 - Prob. 2MCCh. 21.8 - Prob. 3MCCh. 21.8 - Prob. 4MCCh. 21.8 - What are the advantages and disadvantages of an...Ch. 21.8 - Prob. 6MCCh. 21.8 - Prob. 7MCCh. 21.8 - Prob. 8MCCh. 21.9 - Prob. 1MCCh. 21.9 - Prob. 2MCCh. 21.9 - What are some examples of echinoderms?Ch. 21.9 - Prob. 4MCCh. 21.10 - What are four key defining characteristics of...Ch. 21.10 - Prob. 2MCCh. 21.10 - Prob. 3MCCh. 21.10 - Prob. 4MCCh. 21.10 - Differentiate between an ectotherm and an...Ch. 21.10 - How does the number of heart chambers affect the...Ch. 21.11 - Compare and contrast the features of tunicates and...Ch. 21.11 - Prob. 2MCCh. 21.11 - Prob. 3MCCh. 21.12 - Prob. 1MCCh. 21.12 - Prob. 2MCCh. 21.13 - Prob. 1MCCh. 21.13 - Prob. 2MCCh. 21.13 - Prob. 3MCCh. 21.14 - Prob. 1MCCh. 21.14 - Prob. 2MCCh. 21.14 - What features distinguish the three orders of...Ch. 21.15 - Prob. 1MCCh. 21.15 - Prob. 2MCCh. 21.15 - Prob. 3MCCh. 21.15 - Prob. 4MCCh. 21.15 - Prob. 5MCCh. 21.15 - Prob. 6MCCh. 21.16 - Prob. 1MCCh. 21.16 - Prob. 2MCCh. 21.16 - Prob. 3MCCh. 21.17 - Prob. 1MCCh. 21.17 - Prob. 2MCCh. 21 - Following gastrulation, the cells that have folded...Ch. 21 - Prob. 2MCQCh. 21 - How is the body structure of an annelid different...Ch. 21 - Prob. 4MCQCh. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Prob. 7MCQCh. 21 - Prob. 8MCQCh. 21 - Prob. 9MCQCh. 21 - Since a tunicate is considered to be a chordate,...Ch. 21 - Prob. 11MCQCh. 21 - Prob. 12MCQCh. 21 - How do reptiles and mammals differ from...Ch. 21 - Prob. 14MCQCh. 21 - Since a whale is a mammal, it must a. have scales....Ch. 21 - Compare the nine major animal phyla in the order...Ch. 21 - Prob. 2WIOCh. 21 - Prob. 3WIOCh. 21 - Distinguish between (a) radial and bilateral...Ch. 21 - Prob. 5WIOCh. 21 - Prob. 6WIOCh. 21 - Prob. 7WIOCh. 21 - Compare and contrast the roundworm body structure...Ch. 21 - Make a chart showing the characteristics of each...Ch. 21 - List the features that determine the echinoderms...Ch. 21 - Prob. 11WIOCh. 21 - How do tunicates and lancelets differ from fishes...Ch. 21 - Draw from memory a phylogenetic tree that traces...Ch. 21 - Prob. 14WIOCh. 21 - List five adaptations that enable (a) fishes to...Ch. 21 - Prob. 16WIOCh. 21 - Prob. 17WIOCh. 21 - Summarize the evidence for the idea that birds are...Ch. 21 - Prob. 19WIOCh. 21 - Prob. 20WIOCh. 21 - How are fishes, amphibians, nonavian reptiles,...Ch. 21 - Give three examples of interactions between...Ch. 21 - Prob. 23WIOCh. 21 - Prob. 24WIOCh. 21 - Prob. 1PITCh. 21 - Prob. 2PITCh. 21 - 3. Draw a concept map that summarizes the...
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- 1. Describe evidence showing that echinoderms are more closely related to chordates than are other invertebrate phyla.arrow_forwardWhich of the following is not a characteristic of all chordates? a. notochord and postanal tail b. segmental body wall and tail muscles c. segmented nervous system d. dorsal hollow nerve cord e. perforated pharynxarrow_forwardWhat is the major morphological innovation seen in annelid worms? a. a complete digestive system b. image-forming eyes c. a respiratory system d. an open circulatory system e. body segmentationarrow_forward
- 1. List three traits that evolved in invertebrate animals.arrow_forward1. What are the different characteristics of Superclass Pisces/ Superclass Tetrapoda in general? and give the different types of scales in fishes.arrow_forward1.The Order Squamata consists of 3 sub orders.Why are these Suborders so different-give at least 2 distinctive characteristics of each. 2.Why are Tuataras not grouped together with lizards?what is the morphological character that separates them? 3.How the reptile eggs differ from amphibian eggs?Why is this important?arrow_forward
- 5a. Define each of the 3 categories of mammals: Eutherians Marsupials Monotremes:arrow_forward1. Identify traits that characterize all animals. 2. State one way that animal cells differ from the cells of plants and fungi. What is the significance of this difference? 3. State how the phylum Chordata differs from other animal phyla. 4. List three traits that evolved in invertebrate animals. 5. Describe the range of variation in the nervous systems of invertebrates. 6. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.arrow_forward1. How are the lifestyle (free – living vs parasitic) related to the morphology of the annelids? 2. What are the different adaptations of phylum Annelida in different habitat?arrow_forward
- 1. What would be the effects if metamerism is absent in annelids? 2. Account for the variety of environment occupied by annelids and relate them to their morphological and physiological adaptations.arrow_forward1. Articulate brachiopods are so-called because: a. they can communicate with one another b. they are divided by a pivot into two parts c. their valves interlock by means of teeth and sockets d. they have mouths full of teetharrow_forward5. Describe four different uses for thoracic appendages seen in different crustaceans. Use specific examples (name the corresponding taxonomic group). Relate the morphology of the appendage to its function.arrow_forward
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