lecture 6 Flashcards
1
Q
Sympathetic Nervous System
A
primes body for action/stress
fight rather than flight
2
Q
Parasympathetic nervous system
A
Promotes maintenance of body at rest
3
Q
Three Major Categories of Biotoxins
A
Defense, Subduing Prey, and Fighting for mates
4
Q
Venoms
A
injected into flesh
5
Q
Poison
A
needs to be swallowed or consumed/inhaled
6
Q
4 types of biotoxins
A
neurotoxins, hemotoxins, apitoxins (inflammation of tissue), and cytotoxins (cell death)
7
Q
theory on how toxic substances evolved
A
Evolved from lizards to catch prey – could be overactive digestive enzymes – so defense and for eating food
8
Q
Plant Secondary Compounds
A
Plant toxins for defense against animals. Happens when plants are stressed, not essential but helpful
ex: Cassava Root – stresses in drought then poisons with cyanide
