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Aquatic Producers Review

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Last updated almost 3 years ago
7 questions
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Question 4
4.
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Question 1
1.

  • Seagrasses (4)
Question 2
2.

Sort the characteristics into Seagrasses, Mangroves, or both.

  • Reproduce Sexually –produce a flower that blooms underwater and is pollinated underwater by pollen carried in water currents.
Question 3
3.

Cyanobacteria are aquatic producers that play a large role in the food chain.

Cyanobacteria are photosynthetic organisms that produce _______ . This helped set up our atmosphere for more organisms to survive and thrive.
Question 5
5.
Cyanobacteria are also called blue-green algae, but this is a bad name because they are actually more closely related to _______ .
Question 6
6.
Cyanobacteria are _______ because they do not have a nucleus.
Question 7
7.

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Sort the characteristics into Seagrasses, Mangroves, or both.
Must be able to grow totally submersed;
Leaves sweat out salt or have a waxy waterproof covering
Sheltered, shallow, nutrient-rich water along the coast in sandy and muddy areas at the tidal level.
Reduce effects of hurricanes
Adapted to live in high saline (salty)
Started out as land flowering plants that have gradually evolved to live in sea water.
Must be securely anchored to withstand wave action and tidal currents
Sheltered shallow water along the coast in sandy and muddy areas below the low tide level.
Must be water pollinated.
Roots and leaves totally submersed
Able to grow in anoxic (low-no oxygen) waters
Mangroves (4)
Both (3)
Reproduce Asexually – rhizomes -horizontal stems sending out roots and shoots that occur below the sediments
Harmed by overfishing and Dredging
Reproduce Sexually – produce flowers that are pollinated. Seeds germinate while still on the plant - roots are on top. Seed falls and floats until it roots.
Have Pneumatophores/erect/aerial roots that form of upward appendages that are not submerged underwater so the root can get oxygen in a low oxygen environment.
Have Lenticels/ small pores present on aerial roots – allows for gas exchange. They can be blocked by crude oil, pollution, and attacks by parasites.
Harmed by deforestation for wood/timber
Part of food chains & webs
Nursery areas
Seagrasses (3)
Mangroves (4)
Both (2)
Match the Algae to its characteristic. Then, review the Algae Practice.
Rhodophyta
TOP productive group -25% of all photosynthetic biomass
Dinophyta
Ancestor to green plants
Chlorophyta
Also called seaweed or kelp
Phaeophyta
Causes red tides
Bacillariophyta
Golden Algae - Freshwater only
Chrysophyta
Largest group of algae/found the deepest
Euglenophyta
Only algae that has both autotrophic and
heterotrophic species