Small marine worms, segmented, cuticle for protection, setae, or spine for locomotion
Gastrotrichs
Tiny marine, freshwater, and moist soil organisms, simple digestive system with mouth and anus, locomotion by cilia
2. Use Table A to classify the multicellular organisms and to complete Table B.
a Examine the images in the Multicellular Organisms Gallery at the end of this document.
b. For each organism, write the traits of the organism in the second column of Table B. Be sure that the organism number on the Image and the table match.
c. Identify the phylum to which each orgariism belongs. Write the name of the phylum in the third colurrin of Table B.
d. Write whether the orgariism is a plant, animal, or fungus in the fourth column of Table B.
Table B: Classification of Multicellular Organisms
Organism
Traits
Phylum
Plant, Animal, or Fungus
1-40
1 answer
Arthropoda
Animal
2. Soft body, tentacles, radula
Mollusca
Animal
3. Spiny skin, radial symmetry
Echinodermata
Animal
4. Stiffened, internal skeletons, jointed appendages
Chordata
Animal
5. Cell walls made of chitin, hyphae
Fungi
Fungus
6. Vascular tissue, roots, leaves, flowers
Plantae
Plant
7. Segmented body, setae for locomotion
Annelida
Animal
8. Cnidocytes, radial symmetry
Cnidaria
Animal
9. Spiny skin, water vascular system
Echinodermata
Animal
10. Soft body, tentacles, nematocysts
Cnidaria
Animal