Use a paper and pencil to answer the questions.
You can check at the end to see if you are right .

1. Animals in which the embryonic blastopore becomes the ANUS are called __________________ .


Image from: BIODIDAC


2. This organism shows ___________ symmetry.

 Asymmetry           radial symmetry             bilateral symmetery





#3. Identify the type of coelom shown in this picture.  

Acoelom        Pseudocoelom      Eucoelom  

 Image from:

#4. Which body system deals with osmoregulation and getting rid of nitrogen waste made by body cells?






5. This indented area seen in developing animal embryos is called the


#6.  It will develop into the ________________ system.

Image from:       :                                                                                                                                       

#7. Type of circulatory system in which blood is carried inside of blood vessels.    

Image from:

#8. Body parts (like a human arm and bird wing) which have the same embryonic origin are called _________________ structures.       

            ANALOGOUS        HOMOLOGOUS                                                                                                        


#9. Which of the following is the correct way to write the scientific name for lion?

      panthera Leo            Panthera leo         panthera leo          Panthera Leo


#10. Which part of the name above tells its genus?  

#11.  Nitrogen waste from body cells can be removed in several different chemical forms. Name one.  

#12. The person who came up with the system of classifying organisms into a 7 level hierarchy and giving each a two part scientific LATIN name was   ___________________________.

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#13. This diagram used by the 6-Kingdom system which shows evolutionary relationships based on multiple kinds of evidence is called a ___________________.

#14. Name the PHYLUM of invertebrates which is thought to be more like vertebrates than other invertebrates because of the way their embryos develop.

#15. Tell one of the functions of a coelom.

#16. The system of classification in which “shared derived characters” is used to show evolutionary relationships is called ________________.

#17. Organisms whose young hatch as an immature larva, which undergoes metamorphosis to change into an adult, show __________ development.   

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#18. Name 3 of the 6 Kingdoms used by Modern taxonomists to classify organisms.


#19. Name 3 kinds of evidence scientists might examine to classify a new organism.


#20. Why is it advantageous for an animal to have a true coelom rather than no coelom or a pseudocoelom?


#21.Name one of the other systems used by scientists today to classify living things besides the 6 Kingdom approach.


Name the levels of Linnaeus’s hierarchy in order from most to least inclusive.

#23. If you were to classify plants rather than animals, name one of Linnaeus’s hierarchy levels that would change and tell what it would change to.

#24. ________________ is the evolutionary history of an organism.


#25. Give an example of an animal that is a deuterostome.


#26. A eukaryotic, multicelled, heterotroph with specialized cells that contain DNA with the ability to move and reproduce is called a(n) ________________.

#27. Animals without backbones are called _________________


#28. Name the 3 germ layers that form in developing animal embryos.


#29.  The concentration of nervous tissue and sensory organs in the anterior end of an animal is called __________________


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The arrow is pointing to the _____________ surface of this animal.

anterior        posterior        ventral        dorsal

#31. From which of the three germ layers does muscle develop?

If you remove cells from or split the blastula in an early _____________ embryo, the resulting organism will be missing body parts and will not survive.

       Protostome        Deuterostome


Maintaining the balance of water  and ions in the body is called 

Write the genus and species name for humans using the correct scientific name.

The system of giving organisms a 2-part scientific Latin name is called
  ____________   _______________


























1. deuterostomes
2. bilateral
3. "true" coelom OR eucoelom
4. excretory
5. blastopore
6. digestive
7. closed
8. homologous
9.  Panthera leo
     (1st name capital; 2nd lower case; underline or italics)
10. Panthera (1st is genus; 2nd is species identifier)
11. Ammonia, urea OR uric acid
12. Carolus Linnaeus
13. phylogenetic tree
14. Echinoderms
15. Provides a space for internal organs
      In animals w/o skeleton-acts as hydrostatic skeleton
      In animals w/ open circulatory system- provides space for
           nutrients and oxygen to circulate
16. Cladistics
17. indirect
18. Archaebacteria, Eubacteria, Protista, Fungi, Plantae, Animalia
19. Fossil record
      Amino acid/DNA sequences
20. Able to move body muscles and digest at same time
21. Cladistics OR 3 Domain system
22. Kingdom
23. Phylum becomes division
       Subspecies becomes variety
24. Phylogeny
25.  Echinoderms (starfish)
       Any vertebrate (mammals, birds, fish, reptiles, amphibians)
26. animal
27. invertebrates
28. endoderm, mesoderm, ectoderm
29. cephalization
30.  dorsal
31. mesoderm
32. protostome
33. osmoregulation
34. Homo sapiens OR Homo sapiens
35. binomial nomenclature


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