Phyla Flashcards
Porifera
Sponges
Asymmetrical symmetry
Cnidaria
Contain cnidocyte or venomous cells that help collect and transmit sensory information
Bilateral symmetry
Ex) jellyfish
Platyhelminthes
Flat works
Lacks a coelom and other body cavities
Can be found in marine or fresh water
Bilateral symmetry
Nematoda
Aka round worms, very long and narrow,
Bilateral symmetry
Annelida
Long bodies with segments divided externally by shallow rings,
body symmetry: bilateral
Ex) earthworm
Mollusca
All have a soft body. Body structure composed of three parts
Body symmetry: bilateral
Ex) octopus, snails, oysters
Echinododermata
Means spiky skin.
Dwells at the bottom of the ocean floor.
Body symmetry: radial
Ex) sea urchins, sea lilies, starfishes
Arthropoda
Has jointed appendages
Body symmetry bilateral
Ex) lobster, centipedes, butterflies, spiders
Chordata
Has an internal skeletal rod, a complete digestive system, a ventral heart, a closed blood system.
Body symmetry: bilateral
Ex) sharks, fish, lizards, frogs, humans, mouse
spider
Arthropoda
mussel
Mollusc
Earthworms
Annelida
Grasshopper
Arthropoda
Sponge
Porifera
Jellyfish
Cnidarian