Animal Biology Exam Questions and Correct Answers

Animal Biology Exam Questions and Correct
Answers
Domains - CORRECT ANSWER✅✅✅Eukarya, Archaea, and Bacteria



Kingdoms - CORRECT ANSWER✅✅✅Animalia, Protista, Fungi, and Plantae


Characteristics: eukaryotic, most are unicellular, autotrophic or heterotrophic

i.e. paramecium, amoeba - CORRECT ANSWER✅✅✅Kingdom Protista



Animalia Phylum (so far) - CORRECT ANSWER✅✅✅Porifera, Cnidaria, Platyhelminthes,
Annelida, Nematoda, Mollusca, Arthropoda, Chordata


Characteristics: cell-level, choanocytes, spicules for skeleton, asexual reproduction

i.e. sponges - CORRECT ANSWER✅✅✅Phylum Porifera


Characteristics: tissue-level, epidermis, diploblastic, radial symmetry, nerve net, polyp or
medusa form, cnidocytes, gastrovascular cavity

i.e. hydras, true jellies, box jellyfish, sea anemone - CORRECT ANSWER✅✅✅Phylum
Cnidaria


Class Hydrozoa, Phylum? - CORRECT ANSWER✅✅✅Cnidaria


Characteristics: tissue-level, radial symmetry, polyp or medusa, cnidocytes, two-way digestive
tract, asexual or sexual reproduction

i.e. hydras - CORRECT ANSWER✅✅✅Phylum Cnidaria, Class Hydrozoa



Class Scyphozoa, Phylum? - CORRECT ANSWER✅✅✅Cnidaria

,Characteristics: tissue-level, radial symmetry, medusa primary, diploblastic, cnidocytes, two-way
digestive tract, no cephalization, solitary, sexual reproduction

i.e. true jellies - CORRECT ANSWER✅✅✅Phylum Cnidaria, Class Scyphozoa



Class Anthozoa, Phylum? - CORRECT ANSWER✅✅✅Cnidaria


Characteristics: tissue-level, radial symmetry, polyp only, cnidocytes, colonial, two-way
digestive tract, asexual or sexual reproduction, sessile, symbiotic relationship with xoozanthellae

i.e. sea anemones - CORRECT ANSWER✅✅✅Phylum Cnidaria, Class Anthozoa



Class Cubozoa, Phylum? - CORRECT ANSWER✅✅✅Cnidaria


Characteristics: tissue-level, radial symmetry, polyp or medusa, cnidocytes, two-way digestive
tract, four tentacles, well-developed eyesight, deadly venom

i.e. box jellyfish - CORRECT ANSWER✅✅✅Phylum Cnidaria, Class Cubozoa



Phylum Cnidaria, Classes? - CORRECT ANSWER✅✅✅Hydrozoa, Scyphozoa, Cubozoa,
and Anthozoa


Characteristics: organ system-level, bilateral symmetry, cephalization, triploblastic, acoelomate,
protonephridia and flame cells, asexual or sexual reproduction, hydrostatic skeleton

i.e. planarian, flukes, tapeworms - CORRECT ANSWER✅✅✅Phylum Platyhelminthes



Class Turbellaria, Phylum? - CORRECT ANSWER✅✅✅Platyhelminthes


Characteristics: dorsoventrally flattened, eyespots, auricles, cilia, pharynx, sexual reproduction

i.e. planarian - CORRECT ANSWER✅✅✅Phylum Platyhelminthes, Class Turbellaria



Class Monogenea/Trematoda, Phylum? - CORRECT ANSWER✅✅✅Platyhelminthes

, Characteristics: dorsoventrally flattened, parasitic, trematodes: complex life cycle, monogeans:
simple life cycle, oral and ventral sucker, nitrogenous wastes released via posterior excretory
pore

i.e. flukes - CORRECT ANSWER✅✅✅Phylum Platyhelminthes, Class
Monogenea/Trematoda


Class Cestoda, Phylum? - CORRECT ANSWER✅✅✅Platyhelminthes


Characteristics: parasitic, complex life cycle, extremely dorsoventrally flattened, scolex with
hooks and suckers but no mouth, no digestive tract, body covered with cuticle, hermaphroditic

i.e. tapeworms - CORRECT ANSWER✅✅✅Phylum Platyhelminthes, Class Cestoda



Phylum Platyhelminthes, Classes? - CORRECT ANSWER✅✅✅Turbellaria,
Monogenea/Trematoda, and Cestoda


Characteristics: organ-system level, triploblastic, coelomate, hydrostatic skeleton, bilateral
symmetry, cephalization, complete digestive system, metanephridia, gas exchange by diffusion,
closed circulatory system

i.e. earthworms, clam worms, leeches - CORRECT ANSWER✅✅✅Phylum Annelida



Class Oligochaeta, Phylum? - CORRECT ANSWER✅✅✅Annelida


Characteristics: free-living, most hermaphroditic, some sexual or asexual reproduction, five
aortic vessels serve as hearts, nephridia, cephalization

i.e. earthworms - CORRECT ANSWER✅✅✅Phylum Annelida, Class Oligochaeta



Class Polychaeta, Phylum? - CORRECT ANSWER✅✅✅Annelida


Characteristics: free-living, parapodia for locomotion, dioecious, well-developed eyes, paps,
tentacles, and bristles, osmoregulator