Marine Bio Exam #2 2026 Expert Verified
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Porifera - 🧠 ANSWER ✔✔phylum of sponges, the simplest animals.
Cnidaria - 🧠 ANSWER ✔✔jellyfish, corals, sea anemones
Ctenophora - 🧠 ANSWER ✔✔comb jellies
Platyhelminthes - 🧠 ANSWER ✔✔flatworms, tapeworms, flukes
Mollusca - 🧠 ANSWER ✔✔snails, clams, squids, octopuses, bivalves
Nematoda - 🧠 ANSWER ✔✔roundworms
Bryozoa - 🧠 ANSWER ✔✔moss animals
, Annelida - 🧠 ANSWER ✔✔segmented worms, polychates, spoon-worms,
beard worms
Arthropoda Crustacea - 🧠 ANSWER ✔✔crabs, lobsters, shrimp, barnacles
Echniodermata - 🧠 ANSWER ✔✔sea stars, sea urchins, sand dollars, sea
cucumbers
Poriferia: Symmetry - 🧠 ANSWER ✔✔None
Cnidaria symmetry - 🧠 ANSWER ✔✔radial
Ctenophora symmetry - 🧠 ANSWER ✔✔radial
Platyhelminthes symmetry - 🧠 ANSWER ✔✔bilateral
Bryozoa symmetry - 🧠 ANSWER ✔✔bilateral
Nematoda symmetry - 🧠 ANSWER ✔✔bilateral
Mollusca symmetry - 🧠 ANSWER ✔✔Bilateral
Annelida symmetry - 🧠 ANSWER ✔✔bilateral
Arthropoda symmetry - 🧠 ANSWER ✔✔bilateral
Echniodermata symmetry - 🧠 ANSWER ✔✔Bilateral (larvae) radial (adults)
| Ace the Test
Porifera - 🧠 ANSWER ✔✔phylum of sponges, the simplest animals.
Cnidaria - 🧠 ANSWER ✔✔jellyfish, corals, sea anemones
Ctenophora - 🧠 ANSWER ✔✔comb jellies
Platyhelminthes - 🧠 ANSWER ✔✔flatworms, tapeworms, flukes
Mollusca - 🧠 ANSWER ✔✔snails, clams, squids, octopuses, bivalves
Nematoda - 🧠 ANSWER ✔✔roundworms
Bryozoa - 🧠 ANSWER ✔✔moss animals
, Annelida - 🧠 ANSWER ✔✔segmented worms, polychates, spoon-worms,
beard worms
Arthropoda Crustacea - 🧠 ANSWER ✔✔crabs, lobsters, shrimp, barnacles
Echniodermata - 🧠 ANSWER ✔✔sea stars, sea urchins, sand dollars, sea
cucumbers
Poriferia: Symmetry - 🧠 ANSWER ✔✔None
Cnidaria symmetry - 🧠 ANSWER ✔✔radial
Ctenophora symmetry - 🧠 ANSWER ✔✔radial
Platyhelminthes symmetry - 🧠 ANSWER ✔✔bilateral
Bryozoa symmetry - 🧠 ANSWER ✔✔bilateral
Nematoda symmetry - 🧠 ANSWER ✔✔bilateral
Mollusca symmetry - 🧠 ANSWER ✔✔Bilateral
Annelida symmetry - 🧠 ANSWER ✔✔bilateral
Arthropoda symmetry - 🧠 ANSWER ✔✔bilateral
Echniodermata symmetry - 🧠 ANSWER ✔✔Bilateral (larvae) radial (adults)
