Lecture 6

Question 1

Action, stress, sexual arousal – tunnel vision, other functions stop

Answer 1

Sympathetic fight or flight

Question 2

Rest, digestion, sleep – usually follows sympathetic.

Answer 2

Parasympathetic fight or flight

Question 3

Defense, Subduing Prey, and Fighting
for Mates.

Answer 3

Biotoxins

Question 4

are injected into flesh,

Answer 4

venom

Question 5

need to be swallowed/consumed

Answer 5

poisons

Question 6

Neurotoxins (muscles, paralysis),
Hemotoxins (blood stream), Apitoxins (pain inflammation of tissue), Cytotoxins
(cell death, skin membranes).

Answer 6

Types of bio toxins

Question 7

Evolved from lizards to catch
prey – could be overactive digestive enzymes – so defense and for eating food

Answer 7

how toxic substances evolved

Question 8

Plant toxins for
defense against animals. Happens when plants are stressed, not essential but
helpful. Example: Cassava Root – stresses in drought then poisons with cyanide.

Answer 8

Plant secondary compounds