1. Carbonate Levels
1.1. Increases or decreases
1.1.1. depends on solubility of water
1.1.2. produces proper amounts for oysters to live
2. Carbon Dioxide
2.1. a waste product of the respiratory system
2.1.1. lets the good air go into an organism so it can help that organism survive
2.2. contributes to photosynthesis
2.2.1. helps producers gain energy so they can give it to other organisms
2.2.2. gives oysters energy through producers
3. Temperature
3.1. Increases and decreases in different parts of the world
3.1.1. to prevent extreme weather conditions
3.2. Changes based on the Earth’s rotation
3.2.1. provides the proper environment for different organisms at different times
4. Algae
4.1. It grows using sunlight
4.1.1. helps it to thrive so it can produce oxygen for other organisms
4.2. consumes carbon dioxide and releases oxygen
4.2.1. produces oxygen for other organisms
4.2.2. takes in carbon dioxide that causes climate change
4.2.3. takes away carbon dioxide that can kill the oysters
5. Zooplankton
5.1. Consumer
5.1.1. transfers energy through the food web
5.1.2. controls the population of producers
5.1.3. provides food for the oysters
5.2. Heterotrophic
6. Fish
6.1. Consumes zooplankton
6.1.1. stops overgrowth of zooplankton
6.1.2. stops overgrowth of oysters by limiting their food
7. Sharks
7.1. Consumes fish
7.1.1. stops overgrowth of fish
7.1.2. controls the amount of oyster's predators
8. Rays from the sun
8.1. Emits radiation
8.1.1. supports life on Earth
8.1.2. gives oysters sunlight in order to survive
9. Oxygen
9.1. It is combustible
9.1.1. helps increase fires
9.1.2. gives oysters the ability to breathe
10. Oysters
10.1. opens and closes its shell
10.1.1. Oysters Protect themselves from predators
10.2. turn dirt from the ocean into pearls
10.2.1. preventing irritation inside it
10.2.2. cleaning it's inside
11. Water
11.1. it can turn into solids and gases, and is habitable
11.1.1. gives the oyster a habitat
11.1.2. Provides heat for the oysters in their home.
12. Oyster Beds
12.1. Contains oysters
12.1.1. Provides shelter and a habitat for the oyster
12.1.2. Provides a habitat for other organisms as well
13. Phytoplankton
13.1. Producer
13.1.1. creates food for other organisms
13.1.2. does photosynthesis and gives energy to organisms
13.1.3. provides oysters with food
14. Crabs
14.1. Use their pincers
14.1.1. to protect themselves.
14.1.2. to scare anything away from their area.
14.2. Form a thick exoskeleton shell
14.2.1. to protect themselves
14.3. Eats oysters
14.3.1. to keep the food web balanced
15. pH levels
15.1. Increase and decreases
15.1.1. determines the acidity of an object
15.1.2. provides a good acidity level for an oysters habitat
16. Water Salinity
16.1. makes bodies of water have different salt levels
16.1.1. helps marine life
16.1.2. The salt water helps oysters survive.
17. Seaweed
17.1. removes algae from water
17.1.1. stops overgrowth of algae
17.1.2. keeps the food web going
18. Seagrass
18.1. Changes nutrients into its own food
18.1.1. creates food for other organisms
18.1.2. Does photosynthesis for other organisms
18.1.3. Another producer to maintain the food web in balance.