WLHS/Marine Biology/Oppelt Name ______Webquest – Pacific Lamprey and Oregon Sharks You will be learning about the Pacific Lamprey in this webquest. You will be visiting some specific websites along with exploring on your own. General Information on the Pacific Lamprey (use any website) 1. What is the scientific name of the Pacific Lamprey? ______2. What class are lamprey found in? ______3. How are lamprey similar to hagfish?
4. Look up and define the following terms: a. Ammocoete: b. Anadromous: c. Anticoagulant: d. Macropthalmia: e. Metamorphosis: f. Smolt:
5. What is a parasite? How are lamprey parasites?
______6. Go to http://www.fpc.org/lamprey/USFWSPacificLampreyAssessmentFactSheetOct2011.pdf. The scroll down to the Distribution Map. a. What 5 west coast states were Pacific Lamprey found in?
b. What states are they extinct in? ______c. Adult Pacific Lamprey migrate up rivers to spawn. What structure has limited their ability to get up rivers? (HINT: think about structures along the Columbia River Gorge). ______Go to: http://www.critfc.org/fish-and-watersheds/columbia-river-fish-species/lamprey/. Then scroll down the webpage to a section titled “Pacific Lamprey Evolution and Biology”. 7. Put the following species of animals in order of those species that have existed the longest over time to those that have existed the shortest: Humans, Dinosaurs, Salmon, Lamprey, Sturgeon. ______(Oldest) (Youngest) 7. How are lamprey different from true fish?
8. Click on the link “Differences between a lamprey and an eel” and then fill in the table below.
Characteristic Lamprey Eel Mouth Detail
Life Cycle
Feeding
9. Go back a page and then scroll down to “Lamprey are an Important Part of the Ecosystem”. Describe how lamprey are important to ecosystems.
______10. In Google, search Pacific Lamprey Life Cycle. Click on images. Then fill in the boxes below.
______11. Go to https://www.fws.gov/oregonfwo/articles.cfm?id=149489457 and then scroll down to “Reasons for Decline”. Identify 5 reasons for Pacific Lamprey population.
12. What steps have been taken to help Pacific Lamprey populations?
______13. Below are the shark species found on the coast of Oregon. Choose 3 sharks and fill out the table below.
Basking shark Longnose catshark Blue shark Pacific angelshark Broadnose sevengill shark Salmon shark Brown catshark Shortfin mako shark Brown smooth-hound shark Soupfin shark Common thresher shark Spiny dogfish Filetail catshark Tiger shark Leopard shark White shark
Scientific Interesting Shark Name Size Habitat Food Teeth Size Facts
14. Go to: https://www.ranker.com/list/shark-sixth-seventh-sense/l-zane- pinnock?var=11&utm_expid=16418821- 358.Sk1eDip9T8eLT3fHkSERJQ.2&utm_referrer=https%3A%2F%2Fwww.google.com%2F a. What is the Ampullae (Organ) of Lorenzini?
b. Where do the electrical impulses come from that the sharks are sensing?
c. Describe how the lateral line is like a radar for sharks?
d. How are pit organs considered sharks’ eighth sense?
e. How do sharks use tactile sensations?
f. Describe the sharks’ eye.
g. Do sharks have ears? How are they used?
h. Why don’t sharks have highly developed sense of taste? ______15. Go to: http://www.sharks-world.com/shark_anatomy/. Describe the following unique characteristics found in sharks. a. Dental Dermicles
b. Jaws and teeth
c. Liver
d. Tail
e. Fins
f. Breathing