structure, characteristics, and essential life functions
Help!
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| What phylum are sponges in? | show 🗑
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| show | Mostly marine, some freshwater
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| What symmetry do sponges have? | show 🗑
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| How many germ layers do sponges have? | show 🗑
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| What are pore cells? | show 🗑
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| what are Spicules? | show 🗑
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| What is Spongin | show 🗑
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| What are Amoebocytes | show 🗑
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| What is a Collar cell OR Choanocyte? | show 🗑
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| show | 1. Water draws into central cavity
2. Beating flagella draws in in water
3. water exits through large whole (Osculum)
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| show | Brings in; food, oxygen, gametes, larve, takes away waste
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| How do they FEED + DIGESTIONS | show 🗑
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| show | Driven out by water flow
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| show | Oxygen and carbon dioxide -> Diffusion
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| show | Adults are sessile ( non-moving)
Larvae are mobile
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| show | Most are Hermaphrodites (sperm + eggs)
Some have separate sexes
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| show | 1. Sperm is released to swim to other sponge
2. Enters pores and picked up by collar cells
3. Carried to egg by amoebocytes
4. fertilization
5. Zygote develops into larva
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| How does Asexual REPRODUCTION work? | show 🗑
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| show | - Provides habitat + food work for animals
- symbiotic relationship with plantlike protists
- make chemicals used in reasearch
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Created by:
chloe_well
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