Download CH 30 Invertebrates Samples Identification Lab

CH 30 Invertebrates Specimen Identification Lab
Name:___________________
Score:___/64
For this lab you are to move around the room identifying samples at 16 different
stations. PLEASE use your notes, the book, and the information in this document to
help you better understand the four phyla studied in CH 30 AND how they fit in with all
of the other invertebrates.
Mollusca
Phylum
Class
Examples
Bivalves Cephalopod
s
Clams
Octopus
Gastropods
Snails
Octopus
Squid
Nautilus
Cuttlefish
Oysters
Mussels
Scallops
marine
terrestrial
Slugs
marine
terrestrial
Limpets
Annelida
Phylum
Class
Clitellata
Sub-Class Oligochaeta
Examples
Earthworms
Polychaeta
Hirudinea
Leeches
Polychaetes
(rag worms)
(christmas
tree worm)
Phylum
Class
Astroidea
Example Sea Star
Echinodermata
Ophiuroidea
Echinoidea
Crinoidea
Holothuroidea
Concentricycloidea
Brittle Star
Sea Urchin
Feather Star
Sea Cucumber
Sea Daisy
For each of the stations there are several questions. Take your time to answer
them as completely as possible and to learn from them as to help you on the next
test.
Question 1a. What phylum is specimen #1?
Question 1b. How many legs should specimen #1 have?
Question 2a. What kingdom is specimen #2 in?
Question 2b. At what level of classification do specimens #1 and #2 differ?
Question 3a. What class is specimen #3?
Question 3b. Does this animal live in a marine, freshwater or terrestrial ecosystem?
Question 4a. What kind of symmetry does animal #4 show?
Question 4b. What phylum is animal #4?
Question 5a. What phylum is animal #5?
Question 5b. What feature is #5 missing that many other members of this phylum have?
Question 6a. What order is animal #6?
Question 6b. What kind of mouthparts does animal #6 have?
Question 7a. What phylum is animal #7?
Question 7b. What is the external evidence for #7 being in this phylum?
Question 8a. What class is animal #8?
Question 8b. Which of the following classification features do animals #7 & #8 share? How can you tell?
muscular foot segmentation
gills
both protostomes
both deuterostomes
Question 9a. What class is animal #9?
Question 9b. True or false: This animal is more closely related to spiders than centipedes?
Question 10a. True or false: This fossilized specimen shows segmentation?
Question 10b. Which of the following organisms is #10 more closely related to AND why?
Circle one: Leeches or Snails Why?
Question 11a. What kingdom is animal #11 in?
Question 11b. What subphylum does #11 belong to? How many legs do they have?
Question 12a. What phylum does #12 belong to?
Question 12b. What classification features do #11 and #12 share? How can you tell?
muscular foot segmentation
gills
both protostomes
both deuterostomes
Question 13a. What class is #13?
What is another animal in this class?
Question 13b. What kind of skeleton does #13 have? What must they do in order to grow with this skeleton?
Question 14a. What class is animal #14?
Question 14b. The last common ancestor for animals #13 and #14 had what feature in common?
muscular foot segmentation
gills
both protostomes
both deuterostomes
Question 15a. (specimen 15 a and b are the same animal) What phylum does #15 belong to?
Question 15b. What feature is common to all members of the subphylum that animal #15 is in?
Question 16a. What class does animal #16 belong to?
Question 16b. Which animal #s 15 or 16 is more closely related to a spider? How do you know?
Question 17a. What class is animal #17?
Question 17b. True or False: Animal #17 shows a high degree of cephalization?
Question 18a. What phylum and class is animal #18?
Question 18b. What part of the anatomy which is common to all members of this phylum is responsible for
generating the shell?
Question 19a. Is this a clam or a mussel?
Question 19b. How do these organisms feed?
Question 20a. True or False: This organism is in the same phylum as animal #19?
Question 20b. Which of these animals (#s 19 or 20) is more likely to have a radula?
Question 21a. Which phylum is animal #21 a member of?
Question 21b. True or False: Animal #21 has a water vascularization system that is uses with its tube feet?
Question 22a. What phylum is animal #22?
Question 22b. Which animals phylum (#21 or #22) shows segmentation? (these individual organisms may
not, but their phyla do?)
Question 23a. Which of the animals in the box does definitely not belong and why?
Question 23b. Which class do the majority of specimens in this box belong to?
Question 24a. What phylum is animal #24?
Question 24b. What classification features do #23 and #24 share? How can you tell?
muscular foot segmentation
gills
both protostomes
both deuterostomes
Question 25a. (*Be Careful*) What kind of mouthparts does animal #25 have?
Question 25b. What phylum and class would you think #25 would be in?
Question 26a. True or False: It is likely that this animal undergoes metamorphosis?
Question 26b. Which of the following animals would be a closer relative to both #25 and #26 AND why?
Centipede
Millipede
Snail
Mite
Crayfish
Bee
Question 27a. What class is animal #27?
Question 27b. How do these organisms feed?
Question 28a. What order does animal #28 belong to?
Question 28b. Which of the following animals would be a closer relative to #27 AND why?
Centipede
Millipede
Snail
Mite
Crayfish
Bee
Question 29a. What class is animal #29?
Question 29b. True or False: Animal #29 has a pseudocoelom?
Question 30a. What phylum is animal #30?
Question 30b. Invertebrate math: Subtract the number of legs #30 has from the number of legs #29 has and
multiply that times the number of body segments #30 has. Your answer:______________
Question 31a. What phylum is #31?
Question 31b. Which of the following animals is more closely related to #31? Sea anemone
Question 32a & b. Which of the following phylum does not belong in the group AND why?
Echniderms
Molluscs
Arthropods
Gastropods
Slug
Human