Final Exam Practice
Invertebrates
• Over the next few slides,
determine what phylum the animal
is classified.
• Write the name of the animal or
animal class under the correct
phylum heading on your worksheet.
• Write a statement about the
characteristics of each animal.
Sea Star: has pedicellaria
Answer: Phylum Echinodermata
Anthozoans: all polyps, all sessile
Answer
• Phylum Cnidaria
Arachnids: Exoskeleton made of
chitin
Answer:
• Phylum Arthropoda
Bivalve: Two part hinged shell
Answer:
• Phylum Mollusca
Earthworm: Segmented body plan
Answer:
• Phylum Annelida
Gastropod: Move by jet
propulsion
Answer
• Phylum Mollusca
Crustacea: Three pairs of
chewing mandibles
Answer
• Phylum Arthropoda
Flatworms: freeliving or parasitic
Answer
• Phylum Platyhelminthes
Ophiurodea: Radial symmetry,
arms break easily
Answer
• Phylum Echinodermata
Marine Worms: Use parapodia to
swim, burrow or crawl
Answer
• Phylum Annelida
Holothuroidea: Locomotion by
tube feet
Answer
• Phylum Echinodermata
Roundworms: have flexible thick
outer covering called tegument
Answer
• Phylum Platytheminthes
Insects: All have 3 body sections
Answer
• Phylum Insecta
Tapeworm: acoelomate, flat
ribbonlilke
Answer
• Phylum Platythelminthes
Scyphozoan: have polyp and
medusa stage
Answer
• Phylum Cnidarian
Leeches: anchoring setae,
suckers on both ends
Answer
• Phylum annelida
Gastropod: Radula for feeding
Answer
• Phylum mollusca
Hydrozoans: Stinging cells called
nematocysts
Answer
• Phylum Cnidaria
Phew!!
• The slide show is an example of one part of
your final exam. You will be required to put
the animal in the correct phyla without help
of notes.
• The other part of the exam will be written.
The exam will cover all aspects of animal
phyla. It will also include bell ringer questions
from the AHSGE.
• Your exam is on Tuesday, December 18th.
• Please tell me if you do not plan to be in class
on December 19th.