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28 Cards in this Set
- Front
- Back
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sponge feeding
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filter feeding
flagella on cells help move water through the organisms body intracellular digestion |
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sponge resperation
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diffusion
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sponge circulation
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diffusion
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sponge excretion
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diffusion
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sponge response/ nervous system
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none
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sponge movement
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sessile-
no movement as an adult |
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sponge reproduction
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internal fertilization sperm& egg unite inside sponge body
hermaphroditic |
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sponge examples and symmetry
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sponges and asymmetriacal
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Cnidarians examples and symmetry
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Examples: Jelly fish
Symmetry: Radial |
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Cnidarians feeding
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Nematocyst: a poison filledn stinging structure that contains a tightly coiled dart
Gastrovascular cavity: a digestive chamber with one opening |
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Cnidarians respiration
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Diffusion
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Cnidarian circulation
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Diffusion
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Cnidarian excretion
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diffusion
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Cnidarian response/ nervous system
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A loosely organized network of nerve cells that together allow Cnidarians to ditect stimuli like the touch of a foreign object
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Cnidarians movement
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Hydrostatic: a layer of circular muscles and a layer of longitudinal muscles
Jet propultion: the body contracts to force water out |
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Cnidarians reproduction
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External Fertaliztion asexually and sexually budding
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worms examples and symmetry
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flatworm roundworm earth warm; bilateral
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worms feeding :
flat |
pharnex pumps food into a digestive system one opening
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worms resperation:
flat |
diffusion
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worms circulation:
flat |
diffusion
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worms excreation:
flat |
flame cells: cells that remove excess water from body
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worms response/ nervous system:
flat |
eyespots: a group of cells that ditect changes and light
cephalization |
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worms reproduction:
flat |
hermaphrodite sexually
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worms feeding : round
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use mouth parts& spine to grasp food
mouth and anus |
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worms resperation: round
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diffusion
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worms circulation: round
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no internal transport system
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worms excreation: round
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diffusion
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worms response/ nervous system: round
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ganglia- nervs that transmit sensory information
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