Exam 4 Flashcards
(37 cards)
What are the 5 typical stages in the decomposition process of an animal?
- fresh
- bloated
- decay
- post - decay
- skeletal
List 2 things that can alter the rate of development of fly maggots in a corpse
- temperature
- location of corpse
- drugs
List 3 things that can be revealed about a crime from insect evidence.
- Post - mortem interval
- location of crime/movement of corpse
- presence of wounds
- presence of drugs
Where most Monarch butterflies from eastern North America spend the winter
Mountains in south west mexico (forests)
A non-directional response by an insect to an environmental stimulus that involves a change in the rate of locomotion
kinesis
a directional response by an insect to an environmental stimulus
taxis
The technical. 3-part name for the response shown by a female cricket moving toward a chirping male
positive phonotaxis
The insect in a communication interaction that is producing a signal
signaler
the behavior of performed by the insect of question 11 (the insect in a communication interaction that is producing a signal - signaler)
display
An emitted chemical signal
pheromone
two advantages of the mode of communication of question #13
specific, private
cheap, directional
Symbol used by Wilson & Bossert for the release rate of a chemical signal
Q
2 advantages of visual signals
- informative
- moderately inexpensive
The most famous insects that are bioluminescent
fireflies (lampyrid beetles)
two advantages of acoustic signals
- long-distance
- can be used day or night
two ways in which acoustic signals are especially costly, compared to other communication modes
- metabolically demanding
- attract rivals, predators, parasitoids
How a honey bee dance indicates the direction of a food source
angle to “up” of the straight run
how a honeybee dance indicates the distance to a food source
length of straight run
two special characteristics of the honeybee dance communication system, compared to other animal communication systems
- referential displacement
- symbolic, multi -dimensional
Hamilton’s Rule for when altruistic behavior is favored, as in eusocial species
when rB>C
the two forms of sexual selection
- mate competition
- mate choice
The factor that Robert Trivers said, if different between the sexes, led to the typical difference in “sex roles”
parental investment
condition in eusocial insects in which different castes are the same morphologically but perform different behaviors
polyethism
2 things that male insects often fight to defend
females directly
territory with female required resources
