CAS ES 142 Lecture Notes - Lecture 10: Giant Isopod, Marine Worm, Arthropod
30 Jul 2018
School
Department
Course
Professor
Document Summary
Destructive, dangerous found in stories from all cultures (usually areas with seafaring traditions) Sightings of sea monsters in gloucester (cape ann), ma in 1600s and 1800s drawings are similar. Cryptozoology studying unknown animals (cid:272)oi(cid:374)ed (cid:271)y dr. ber(cid:374)ard heu(cid:448)el(cid:373)a(cid:374)s (cid:894)(cid:862)father of (cid:272)ryptozoology(cid:863)(cid:895) 600 pounds feeds on krill, small fish, and squid ex: wood louse resemble giant isopods. Have stingers that shoot out poison to kill prey. Ex: giant antarctic marine worm: polychaetes worms segmented. Usually tiny but can also be gigantic (4 feet long) Not an example of deep-sea gigantism (not found in the deep sea) Why? not sure: adaptation for scarcer food resources. Not a lot of nutrients in deep ocean. Have a slower growth rate to get bigger over time. Delays sexual maturity harder to find a mate since so few organisms in deep ocean there are less predators: due to high pressure. Need to structurally withstand the pressure due to cold water.
