Invertebrate Zoology

15 Questions | By Stacywave | Updated: Mar 22, 2022 | Attempts: 6442

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Quiz on invertebrate phylogeny for ocean science bowl

Questions and Answers

1.

Which phylum is characterized by choanocytes that create a current to pull in food?
- A.
  
  Cnidaria
- B.
  
  Urochordata
- C.
  
  Platyhelminthes
- D.
  
  Porifera
2.

Which class of organisms can eviscerate to escape predators and survive?
- A.
  
  Cephalopoda
- B.
  
  Holothuroidea
- C.
  
  Asteroidea
- D.
  
  Chelicerata
3.

On which organism below might you find setae?
- A.
  
  Earthworm
- B.
  
  Sea Star
- C.
  
  Flat worm
- D.
  
  Horseshoe Crab
4.

Which phylum is characterized by pentameral symmetry?
- A.
  
  Mollusca
- B.
  
  Ctenophora
- C.
  
  Echinodermata
- D.
  
  Chaetognatha
5.

Which of the following worm phyla has a tough outer cuticle that undergoes ecdysis?
- A.
  
  Nematoda
- B.
  
  Annelida
- C.
  
  Platyhelminthes
- D.
  
  Nemertea
6.

On which of the following organisms might you find cnidae?
- A.
  
  Comb Jelly
- B.
  
  Sponge
- C.
  
  Brittle Star
- D.
  
  Coral polyp
7.

Which of the following is not required to be a chordate?
- A.
  
  Notochord
- B.
  
  Dorsal Hollow Nerve Cord
- C.
  
  Calcified spinal cord
- D.
  
  Muscular Postanal
8.

Phylogenetics is the study of:
- A.
  
  DNA
- B.
  
  Relationships between groups of organisms
- C.
  
  Interactions between organisms
- D.
  
  Interactions between living and nonliving things
9.

Which phylum includes colonial (and clonal) organisms that encrust on surfaces?
- A.
  
  Bryozoa
- B.
  
  Arthropoda
- C.
  
  Nematoda
- D.
  
  Porifera
10.

What is the name for reproduction in which males and females both emit gametes (sex cells) into the water and egg and sperm meet in the water column?
- A.
  
  Hermaphroditism
- B.
  
  External fertilization
- C.
  
  Broadcast spawning
- D.
  
  Cross-pollination
11.

Which of the following organisms is NOT an Arthropod?
- A.
  
  Barnacle
- B.
  
  Ophiuroid
- C.
  
  Amphipod
- D.
  
  Shrimp
12.

Which of the following organisms is not bilaterally symmetrical?
- A.
  
  Sponge
- B.
  
  Lobster
- C.
  
  Human
- D.
  
  Flat worm
13.

Which of the following classes has members with a mutualistic relationship with zooxanthellae?
- A.
  
  Cl. Anthozoa
- B.
  
  Cl. Hydrozoa
- C.
  
  Cl. Bivalvia
- D.
  
  Cl. Aves
14.

Which of the following prefixes means "head"?
- A.
  
  Gastro-
- B.
  
  Arthro-
- C.
  
  Seta-
- D.
  
  Cephalo-
15.

Which of the following phlya is the largest known on earth (in terms of species number)?
- A.
  
  Chordata
- B.
  
  Arthropoda
- C.
  
  Cnidaria
- D.
  
  Annelida