Unit 2 Exam Review: Animals
Supplemental Instruction
Iowa State University / Leader: / Andre
Course: / BIOL 211
Instructor: / Dr. Debinski, Dr. Heath
Date: / September 22

Explain the characteristics that organisms in the Animal Kingdom exhibit:

Label the following types of organisms based on their body cavities, and whether or not they are triploblastic or diploblastic:

Type:

D or T:

Type:

D or T:

Type:

D or T:

What is the difference between a Protostome and a Deuterostome?
The Simple Organisms: Ctenophores, Porifera, Cnidarians

How are these organisms different from the others in the Animal Kingdom?

Compare and contrast the process in which the phyla Porifera and Cnidaria obtain their food. (Think of their specialized cells or digestive tract)

Describe the special relationship that a certain cnidarian exhibits with a certain protist.
Ecdysozoans

Explain the ecdysozoans. What are their characteristics? How did they get their name? What type of animals do they encompass?

Nematodes (AKA the round worms that shed their cuticle):

  • Also pseudocoelomates

How are nematodes important to global ecosystems?

What are guinea worms?

What is C. Elegans and why is it important?

Arthropods:

How did arthropods get their name? What are their characteristics?

What are some of their specialized respiratory organs?

Arthropods have 4 main extant groups. Compare and contrast these taxa.

Special Features / Examples
Subphylum Chelicerata
Special Features / Examples
Subphylum Myriapoda
Special Features / Examples
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Special Features / Examples
Class Insecta
Order Coleoptera
Order Diptera
Order Hymenoptera
Order Lepidoptera
Order Hemiptera
Order Orthoptera
Order Odonata

Lophotrochozoans

“the other guys”

Rotifera:

List a few of their characteristics, and describe their reproduction.

Platyhelminthes:

(the flatworms)

T or F:

Flatworms are acoelomates.

Special Features / Examples
Turbellarians
Trematodes
Cestodes

Annelida:

(the segmented worms)

T or F:

Annelids are coelomates with a closed circulatory system and a hydrostatic skeleton.

Special Features / Examples
Polychaetes
Clitellata

Mollusca:

Special Features / Examples
Gastropoda
Bivalvia
Cephalopoda

The Deuterostomes

Blastopore forms into the anus

Echinodermata:

What are characteristics that the echinoderms exhibit? What are examples of echinoderms?

Vertebra:

What are the 4 characteristics that all chordates exhibit at some point in their development?

What are amniotes? What are the 3 major lineages of vertebrates that don’t develop an amniotic egg?

What characteristics do the mammals exhibit?

Explain the following categories of mammals. Which are viviparous? Which are oviparous?

Eutherians:

Marsupials:

Monotremes:

What are the major groups that are encompassed by the Reptiles?

1060 Hixson-Lied Student Success Center  515-294-6624  