Vocabulary Vocabulary ReviewReview

Ch 37 - InsectsCh 37 - Insects

The study of insects and other

terrestrial arthropods

Entomology

In arthropods, a mouthpart that functions as an

upper lip

Labrum

In insects, a mouthpart that functions as a

lower lip (plural, labia)

Labium

A sound-sensing membrane on the

abdomen of an insect

Tympanum

In many female insects, a

structure that is at the end of the

abdomen and that is used to lay eggs

Ovipositor

A phase in the life cycle of many animals during which a rapid

change from the immature organism to the adult takes place;

an example is the change from larva to

adult in insects

Metamorphosis

An animal life cycle in which the individual undergoes gradual

development through several nymph stages

after the egg stage and before the adult

stageIncomplete

metamorphosis

An immature stage of some insects that is similar in

function and structure to the

adult

Nymph

An animal life cycle in which the

individual undergoes two major stages of development (larva, pupa) between the egg stage and the

adult stageComplete metamorphosi

s

The immobile, nonfeeding stage between the larva and the adult of insects

that have complete metamorphosis; as a pupa,

the organism is usually enclosed in a cocoon or chrysalis and undergoes

important anatomical changes

Pupa

A substance that is released by the body

and that causes another individual of the same species to

react in a predictable way

Pheromone

The interaction between animals

of the same species that are

not related or are only distant

relativesSocial behavior

A bee that does not reproduce but that works for the

community by collecting food and

maintaining the hive

Worker bee

The mature, fertile female that lays

eggs in a colony of bees

Queen bee

A male bee that develops from an unfertilized egg

and functions only to fertilize eggs from the queen

Drone

A high-protein substance secreted by worker bees and fed to a queen bee and female larvae that develop into

queen bees

Royal jelly

A pheromone that is produced by a queen bee and that prevents other female larvae from

developing into queensQueen factor

Self-sacrificing behavior that

benefits another individual

Altruistic behavior

A mechanism for increasing the

frequency of one’s genes in a population

by helping increase the reproductive success

of relatives

Kin selection