ENT100 MT2 Exam Questions and
Answers 100% Pass
What degrees of sociality exist in the class Insecta? What insects partake
in sociality? -
[ANSWER]: Primitive form of sociality: Pre-social behavior
Derived form of sociality: Eusociality
True eusociality is found in termites, bees, ants, and paper wasps but it
also exists in thrips, weevils, & aphids
QUESTION: Pre-social behavior involves simple kinds of cooperation
among females of the same species, what kind of cooperation occurs? -
[ANSWER]: Can consist of simple aggregations of females
Communal nesting
,Parental care: feeding of larvae with multiple females gathering food to
feed larvae
QUESTION: Eusociality is a derived form of sociality. What kinds of
cooperation occurs between individuals? -
[ANSWER]: Brood care by related individuals
Caste system where there is a reproductive division of labor and
overlapping generations
QUESTION: Why is communication essential in sociality? How are
signals communicated? -
[ANSWER]: Defense
Construction
Foraging
Care for brood
Reproduce
,Most communication has to be done in the dark so the methods of
communication include acoustic, tactile, gustatory (taste), or olfactory
(smell)
QUESTION: Types of communication:
Alarm signals -
[ANSWER]: A nest is a rich food source for predators, when under
attack the colony needs to spread signals quickly and they also need to
dissipate quickly.
Highly volatile pheromones can spread quickly across the colony and
dissipate quickly
Intense tactile signals such as drumming and stridulation can also be
used and stopped quickly
, Specific behaviors in dealing with predators include either attacking or
fleeing to a safer place
QUESTION: Types of communication:
Attractants -
[ANSWER]: In order for a colony or the queen to be cared for
attractants are needed to stimulate colony members.
Queens secrete a queen substance, a principal attractant pheromone,
from their mandibular glands.
Queen pheromones can can inhibit reproduction in workers and attract
workers to her.
QUESTION: Types of communication:
Recognition signals -
Answers 100% Pass
What degrees of sociality exist in the class Insecta? What insects partake
in sociality? -
[ANSWER]: Primitive form of sociality: Pre-social behavior
Derived form of sociality: Eusociality
True eusociality is found in termites, bees, ants, and paper wasps but it
also exists in thrips, weevils, & aphids
QUESTION: Pre-social behavior involves simple kinds of cooperation
among females of the same species, what kind of cooperation occurs? -
[ANSWER]: Can consist of simple aggregations of females
Communal nesting
,Parental care: feeding of larvae with multiple females gathering food to
feed larvae
QUESTION: Eusociality is a derived form of sociality. What kinds of
cooperation occurs between individuals? -
[ANSWER]: Brood care by related individuals
Caste system where there is a reproductive division of labor and
overlapping generations
QUESTION: Why is communication essential in sociality? How are
signals communicated? -
[ANSWER]: Defense
Construction
Foraging
Care for brood
Reproduce
,Most communication has to be done in the dark so the methods of
communication include acoustic, tactile, gustatory (taste), or olfactory
(smell)
QUESTION: Types of communication:
Alarm signals -
[ANSWER]: A nest is a rich food source for predators, when under
attack the colony needs to spread signals quickly and they also need to
dissipate quickly.
Highly volatile pheromones can spread quickly across the colony and
dissipate quickly
Intense tactile signals such as drumming and stridulation can also be
used and stopped quickly
, Specific behaviors in dealing with predators include either attacking or
fleeing to a safer place
QUESTION: Types of communication:
Attractants -
[ANSWER]: In order for a colony or the queen to be cared for
attractants are needed to stimulate colony members.
Queens secrete a queen substance, a principal attractant pheromone,
from their mandibular glands.
Queen pheromones can can inhibit reproduction in workers and attract
workers to her.
QUESTION: Types of communication:
Recognition signals -
