Classification & Intro to Animals
Chap 18 & 34

1. When writing the scientific name of an organism using binomial nomenclature you should always

        capitalize both names
        underline the first but not the last name
        capitalize the first name only and italicize or underline both
        write the common name in parentheses at the end
2. In vertebrates the blastopore in the embryo becomes the ____________.

            mouth                anus             gonads            cladogram    

Chap 36 & 37 

3. This structure which helps tapeworms attach inside the digestive system of the host and hold on is called a _____________.

    proglottid    tegument    filaria    scolex


4. The _____________ is the intermediate host of the blood fluke Schistosoma.

       human        snail            cow            pig

Chap 37 

5. The respiratory organ in clams is the _______________.

       lung             gills            skin gills            Malpighian tubules   

6.  Bivalves ___________________________.              
            are sessile most of their life
            have 2 shells
            do NOT have a radula
            All of the above

Chap 38  

7.     #2 is the ______________

            digestive gland            gills           heart            liver

8.  Place where crayfish carry their eggs and young. 
       in their cloaca       
                in their uterus
                on their swimmerets
             They don't carry their young; they hide them in weeds on the bottom

Chap 40  

9. Type of larva seen in echinoderms

  bipinnaria        nauplius        trochopore        echinoderms don't have larva

10. The name echinoderm means ______________________.

         jointed leg
         changing life   
         spiny skin
         bony skeleton

Chap 41  

11. The heart of a fish has _____________________.

        1 atrium and 1 ventricle
        2 atria and 1 ventricles
        2 atria and 2 ventricles
        1 atrium and 2 ventricles

12. The _________________ part of the brain controls the internal organs.

        medulla oblongata
        optic lobes

Chap 42 

13. The membrane that holds the digestive organs in place is the _________________.


Chap 43  

14. In _____________________ a female retains the growing embryo in her body nourishing it with a placenta until it is born.

        oviparity            ovoviviparity        viviparity

15.  The part of the turtle's shell that covers the dorsal surface of its body is the ______________.

        plastron        carapace      amnion        autotom  

Chap 44  

16. The ________________ in an amniotic egg stores nitrogen waste and serves as the embryo's "lung" by exchanging carbon dioxide and oxygen through the shell.

        yolk sac        chorion        aminon        allantois

This colored bone is also called the "wishbone".

        sternum            furcula        pygostyle      syrinx  

Chap 45  

18. _____________ would be an example of a monotreme.

        playtypus        walrus        oppossum        whale


19. T    or    F    All mammals are viviparous.

20. _______________ are streamlined, aquatic, carnivores with flippers.

       marsupials        monotremes        cetaceans        pinnepeds


21.  Which of the following does NOT have a cloaca?
             frog          turtle         pigeon           rat

22.  Which of the following animals belongs to the CLASS AVES?


23.  TRUE or FALSE
        Most invertebrates have a body plan with a VENTRAL NERVE CORD and a DORSAL HEART and vertebrates have the opposite (DORSAL NERVE CORD and VENTRAL HEART)

24.  ALL chordates are DEUTEROSTOMES.

25.  Name a group of animals you studied that are ENDOTHERMIC.

26.  Name one of the types of coeloms you learned about and give an example of an animal that would have this type. 

27.  Name an organism you studied that does NOT have BILATERAL SYMMETRY.

28.  Which of the following have external fertilization?

           frog        turtle          pigeon          rat

29.  Name the 3 body systems that share the cloaca as an exit cavity.

30.  TRUE or FALSE
          ALL invertebrates are PROTOSTOMES and ALL vertebrates are DEUTEROSTOMES.

31.  Name the three kinds of reproduction you learned about.

32.  Name an organism you learned about that doesn't use a kidney for excreting nitrogen waste and maintaining the ion/water balance.

33.  Organism that has this kind of larva (nauplius).




34.  Name one of the animals you dissected and tell what organ it uses for respiration.

35.  Name an animal you dissected that has open circulation.











1. capitalize the first name only and italicize or underline both
2.  anus
3.  scolex
4.  snail
5.  gills
6.  all of the above
7.  gills
8.  on their swimmerets
9.  bipinnaria
10. spiny skin
11. 1 atrium and 1 ventricle
12. medulla oblongata
14. viviparity
15. carapace
16. allantois
17. furcula
18. platypus
19. false
20. pinnipeds
21.  rat
22. owl (birds are AVES)
23. TRUE
24. TRUE (so are the Echinoderms)
25. birds OR mammals
26. Acoelom-flatworms
   Pseudocoelom- round worms
      Eucoelom ("true") - segmented worms, mollusks, echinoderms, arthropods, fish,
                  amphibians, reptiles, amphibians, birds, mammals
27. only one = starfish (echinoderms have radial symmetry)
28. frog
reproductive, digestive, excretory
30.  FALSE; ALL vertebrates are deuterostomes; All invertebrates are protostomes EXCEPT ECHINODERMS!
31. oviparity; ovoviviparity; viviparity
32. Earthworm; Arthropods (crayfish; spider; insects)
33.  crayfish have nauplius larva;
       clams have trochophore larva
       echinoderms (starfish) have bipinnaria
34.  earthworm-skin
       clam, crayfish, fish -gills
       starfish- none
       frog- skin and lungs (gills as tadpole)
       frog,turtle, bird, rat- lungs
35.   clam or starfish (all the others were closed)