Alkaloids Correct Answers Taste bad, contain nitrogen,
interfere with digestion by binding to digestive enzymes
aposematic coloration Correct Answers warning coloration
Aposematic odours Correct Answers Smells from plants that
advertise their defence
Astringent Correct Answers Drying agent, e.g. tannin
Auditory vigilance Correct Answers Larger ears capture more
sound, ears pivot to scan all directions, membranes to pick up
vibrations
Background matching Correct Answers When the animal's
patterns generally match their environment
(ex: American bittern - cattail marshes, fawns, grouse - forest
floor)
Batesian mimicry Correct Answers A type of mimicry in which
a harmless species (mimic) looks like a species that is poisonous
or otherwise harmful to predators (model).
# models > # mimics
Bicolouration Correct Answers When the animal is lighter on
one side of its body than the other
(ex: whirligigs)
, Bluffing Correct Answers Increasing in size to intimidate
(ex: toads, hognose snake)
Carapace (top) & plastron (bottom) Correct Answers turtle
shell
Cellulose, hemicellulose, pectin, silica Correct Answers
Structural elements that make plant tissues harder to digest
Coincident disruptive patterns Correct Answers When
disruptive patterns are aligned by body posture
(ex: American bittern or butterflies mimicking milk snake)
Constitutive Correct Answers defences that are always present
Countershading Correct Answers protective coloration of some
animals in which parts normally in shadow are light and those
exposed to the sky are dark.
Disruptive patterns Correct Answers strongly contrasting
markings such as spots or stripes break up an animal's outline
Eye placement Correct Answers More depth perception on
front, larger fov on side
Eyeshine Correct Answers Caused by reflective layer (tapetum
lucidum) behind retina in nocturnal animals
Eyespots Correct Answers Patterns that mimic eyes used on
some startle patterns. Make an animal appear 'larger than life'
(ex: sphinx moth)