PSYC 1001 Lecture Notes - Lecture 4: Ecdysone, Moulting, Bracken

• School: Carleton University
• Department: Psychology
• Course: PSYC 1001
• Professor: Bruce Tsuji

Document Summary

The bigger the eyes the more light that can be absorbed. Eyes with lots of rods in the retina. Makes it very hard to eat, you have to have special adaptations to be able to eat things with lignin. Digestibility reduces because it makes it hard to digest by the animal. Digestibility reducer because it makes the plant dry. Have calcium oxalate crystals in their leaves (put calcium together to form a crystal) to form a crystal) Certain ferns have it as well: bracken ferns also contains hcn. Insects will mature too quickly and die if this is ingested. Allows them (ex: larva) to shed their skin and move onto the next stage. Doesn"t let it get to the adult stage right away (in the juvenile stage and not ready to get to the pupil stage) (keeps it balanced) If insects ingest this hormone they will never be able to reproduce.