Miscellaneous
Sexual dimorphism
Differences in males and females
Terminal reproduction?
Die after eggs hatch/babies are born
This is the highest energy producer.
The sun
Hermit crabs create their own shell (T/F)
False
Clams and snail make their own shells. (T/F)
True
Largest bivalve? Fun fact?
Giant clam; people worried their legs would get broken, cut if leg got caught in shell
Florida's state shell?
Horse conch
Countershading
bottom vs top coloration
What is the mantle of a shell?
Shells are a living thing (T/F) Why?
T: They are made by a living thing and are a part of one.
F: The shell cannot live on its own.
PPT of salt to create salt water
17+
What animal needs a lot of enrichment?
Octopus
What is/are top-down control and bottom up control. Example of each.
Top down- predator controls web/chain
Wolves of Yellowstone
Bottom up: prey controls web/chain
Lynx and hare cycle
Shells are created by this type of animal. Examples
Mollusks: snails, clams, oysters, etc
How do sharks control their buoyancy (two examples)?
Tail pushes them along; oil produced in and around liver
How many chambers does a shark heart have? Name the chambers?
2; atria and ventricle
What is unique about the Shell Museum on Sanibel?
Only shell museum in the country.
What are trophic levels?
Level of food energy as it goes up the food chain.
This the the rarest type of shell on Sanibel.
Junonia
What is the purpose of the siphon on a snail?
Pulls water for respiration and smell- basically functions as a nose
What is the amount of salt ppt in fresh, brackish, and ocean water? What was the wetland ppt and why?
Fresh: 0 ppt
Brackish: 0.3-17 ppt
Salt: 17+ ppt
How many groups of mollusks are there?
8
The spiny dog shark gives what kind of birth?
Ovoviviparous
What is the main component of a mollusk's shell?
Calcium Carbonate (CaCO3)
Effect of acidic oceans? Mechanism?
Prevents shell growth by carbonate getting bonded to H+ atoms instead of the mollusk using it for their shell;
reduces size of shells