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7694998
PORIFERA
Description
1º de ESO Biología y Geología Mind Map on PORIFERA, created by Vanesa Dimitrova Georgieva on 15/02/2017.
No tags specified
biología y geología
1º de eso
Mind Map by
Vanesa Dimitrova Georgieva
, updated more than 1 year ago
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Created by
Vanesa Dimitrova Georgieva
almost 8 years ago
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Resource summary
PORIFERA
Characteristics
Aquatic (sea) sessile
Radial symmetry
No true tissues or organs
Recognisable Characteristics
Sac-sharped
Internal skeleton
Composed
Spicules
Spongin
Reproduction
Sexual
Cells
Join
Larvae
Anchor to the substrate
New adult formed
Asexual
Perform by fragmentation
Regenerate themselves easily
Structures
Osculum
Central cavity
Cells
Choanocytes
Coat inner cavity ,flow of water and filter food
Porocytes
Form pores that let water flow the porifera
Incurrent pores
Situated external layer of the sponge
Nutrition
Filtration
Sponges
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