Download Practice Exam 2 - Iowa State University

Practice Exam 2
Worksheet 2.6
Supplemental Instruction
Iowa State University
Chapter 33:
Leader:
Course:
Instructor:
Date:
Hannah
BIOL 211 (2)
Dr. Waldman
02/10/16
1.) What are choanoflagellates?
2.) Name some characteristics of animals. Which characteristics do sponges lack?
3.) What are the 3 embryonic germ layers? Distinguish between a diploblast and triploblast.
4.) What is a coelom? Define coelomate, pseudocoelomate, and acoelomate.
5.) Bilaterally symmetric animals have a _______________ nervous system while radially
symmetric animals have a ________________ _____________.
6.) How do protostomes and deuterostomes differ in their gastrulation (formation of mouth
or anus) and their formation of a coelom? Layout their sequence of events during
development.
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7.) Fill in the following table with information about the Non-Bilaterian lineages.
Characteristics
Key Lineage
General
Porifera (sponges)
Movement
Benthic
Asymmetrical
Lack nerves
and muscles
No true tissues
Ctenophora (comb
jellies)
Cnidaria (jellyfish,
corals, anemones,
hydroids)
Feeding
Hermaphrodites
Predators
Adhesive
tentacles
Radial
symmetry
Mostly marine
Simple
muscles &
nerves
Reproduction
Motile (cilia)
Free swimming
larvae
Hydrostatic
skeleton
Mesoglea
(supports body)
Chapter 34:
8.) ____________________________ & _________________________ are the two main
subgroups within the protostomes.
a. Name and define the three unique morphological traits that characterize the
“Lophotrochozoan” lineage.
9.) Compare the lophotrochozoan lineages, Platyhelminthes & Annelida.
10.) Fill out the table with the following lineages within Phylum Mollusca.
Groups included
Defining characteristic
Cephalopoda
General
Gastropoda
Bivalvia
Polyplacophora
11.) What 2 characteristics define Ecdysozoans?
12.) For each of the four Ecdysozoan lineages, give the common name & a defining
characteristic.
Onychophora:
Tardigrada:
Nematoda:
Arthropoda:
13.) Which Arthropod lineage is defined by 2 chelicerae?
a. Centipedes
b. Crustaceans
c. Spiders
d. Insects
14.) Which Arthropod lineage is defined by a carapace and 2 pairs of antennae?
a. Myriapoda
b. Crustacea
c. Chelicerata
d. Insecta
15.) Which lineage is defined by 1 pair of antennae & 1-2 pairs of wings?
a. Myriapoda
b. Crustacea
c. Chelicerata
d. Insecta
16.) Fill out the following table of Class Insecta with corresponding orders and their
characteristics.
Scientific Name
Common Name
Coloptera
Beetles
Characteristic
Butterflies, moths
Flies
Hymenoptera
Halteres (reduced hindwings)-
Ants, bees, wasps
Bugs
Grasshoppers, crickets
Odonata
Muscular hindlegs
Dragonflies
Lice
Chapter 35:
17.) What are some characteristics of Echinodermata?
18.) List the 4 characteristics that all Chordates possess at some point in their lifetime. What
are the 3 lineages within chordate?
19.) What happens to the 4 chordate characteristics in vertebrates during development?
20.) List in order the important evolutionary innovations that occurred in vertebrates and
around the time period in which they occurred.
21.) Which two lineages are the only jawless vertebrates?
a. Actinistia & Dipnoi
b. Lepidosauria & Testudinia
c. Myxinoidea & Petromyzontoidea
d. Chrondrichthyes and Actinopterygii
22.) What groups of animals are collectively known as Amniotes?
e. Amphibians and reptiles
f. Mammals and amphibians
g. Only reptiles
h. Mammals and reptiles
23.) What are some characteristics of the lineage Mammalia?
i. Name the 3 mammalian lineages and give at least 1 characteristic.
24.) What are some characteristics of the lineage Aves?