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portion of the shore that is covered during high tide and exposed to air during low tide
what do the barnacles that we are studying look like?
volcano shaped shells
what are barnacles related too?
- carbs and lobsters
what happens to adult barnacles?
shells cemented to a rock or other hard object, can't move anywhere
What happens to barnacles when its submerged?
shell opens, uses feathery legs to filter the water for food particles
What happens to barnacles when the tide recedes?
closes shell tightly to keep from drying out
name of the two barnacles
- semibalanus balanoides
- chthamalus montagui
which barnacle is on the higher rocks
which barnacle is on the lower rocks?
what is the possible factors or combination of factors that may determine where barnacle larva distribute
- air exposure
- competition-larval may settle on top of adult killing it
- neighbors may kill some way-poison or some form of fighting
who studied barnacles in Scottland?
tool for studying species distributions of species interactions
how do barnacles kill each other?
overgrowing and undercutting
moving individuals from one area to another without removing all individuals of the other species that might be present
remove some individuals from an area that still contains other individuals
snail that crawls around on the rock, eating barnacles
What would you like to do?
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