unit 6 Flashcards
Importance of seaweed
They photosynthesize
Food
Produce oxygen
Home for organisms
Seaweed Label
Thallus: body
Float: gas filled blatters(phemucysts)
Holdfast: rootsabsorb water and nutrients
Stripe: stem
Blades: leafs
Types of seaweed
Red green and brown
Macroalgae
Refers to seaweeds that are visible to naked eye
Are epiphytes
Green algae
Only 10% marine
Sea lettuce, dead man’s fingers
Importance source of calcareois deposit is for coral reef building
Brown algae
Rock weeds - kelp
Chlorophyll
Kelp: dense forests
Need conditions sto be cold shallow water for sunlight and rocky bottom
Giant kelp
Largest and fastest growing seaweed
Air bladders and blades along stip
Bull kelp
Has a single stipe and bull with multiple blades
Red algae
More or red than brown and green combined
Phycoblin
Calcareous deposits coral reeds
Important if algae
Food
Algin stabilizer I’m good
Agee from red protect meats
Marine planrs
Sea grass, cord grass, mangroves,
Dominant primary food
Safe nursery
Prevent erlsion
Mangroves
Tress adapted to live in salty or brackish water
Intertidal
Protect coastline, provide heaviest, reduce erosion
Red algae
Large prop roots extend in water
Black algae
Grow on higher ground than reds
Seagrass
Flowering plant
Reproduce Polen
Shallow bays near mangroves
Horst tiny epiphytes that filter feed, fake up nutrients, nursery habitat
