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7) state 2 key characteristics and 2 examples for each of the following phyla: A) Mollusca B) Nematoda C) Arthropoda D) Annelida​

User Tengerye
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Answer:

Mollusca

  • Produce a shell reinforces with calcium
  • Bilateral symmetry
  • Examples: Snails, octopus, and clams

Nematoda

  • Bilateral symmetry
  • Cylindrical in shape
  • Examples: Hookworm and eelworm

Arthropoda

  • Hard exoskeleton made of chitin
  • Segmented bodies, jointed limbs
  • Examples: Insects, spiders, and crabs

Annelida

  • Have segmented bodies
  • Have mouth and anus
  • Examples: Earthworm and leach
User Michal Adamaszek
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