lifeon%thedock - science is art · secondanimal: % sea%squirt,%sea%vase% % tunicada (tunicate) %...
TRANSCRIPT
On Amazon.com search:
“Life on the Dock”
(Look inside the book)
essays each month at: www.scienceisart.com/
dockbook/dockbook.html
First animal common name: skeleton shrimp kingdom: animal phylum: arthropod class: crustacean order: amphipoda family: Caprellidae Genus: Caprella species: ?
Humans do something similar: 1. The air we breath is full of junk. 2. Junk sticks to the wet surface of our airway (tubes supplying air to our lungs). 3. The wet surface layer (mucus) is pulled by cilia up to our throat. 4. We swallow the mucus.
Cystic fibrosis:
A defect in protein that maintains correct water
composition in the mucus by transporting sodium and
chloride ions across cell membrane.
Cilia on the surface of the epithelial cell surface of airways; the green “hairs” are molecules that exclude the mucus layer to keep it mobile.
Apoptosis: “dropping off” (Greek), or programed cell death
Lets step off the dock and
look at ourselves.
I leave you with two thoughts:
1. There are many plants and animals on and
near the dock that are interesting; the more you
know about them the more interesting they are.
2. The central theme of modern biology;
so important that my dog Darwin insisted on
presenting it himself-‐