Final Test

Question 1

the name for the posterior-most longitudinal vein in the ground-plan insect wing

Answer 1

Anal

Question 2

pair of insect mouth parts that is unfused and unsegmented

Answer 2

Mandibles

Question 3

Name of the organ of sperm delivery of male insects

Answer 3

Aedeagus

Question 4

outermost of the three major layers of the insect exoskeleton, this is the only layer that is shed during a molt.

Answer 4

Cuticle

Question 5

term used to describe insect antennae that are elbowed between the first ans second antennal segment

Answer 5

Geniculate

Question 6

simple eyes of insects that are only used in detecting ligh vs. dark and in establishing circadian rhythems

Answer 6

Ocelli

Question 7

the external openings of the insect tracheal system

Answer 7

Spiracles

Question 8

the blind extensions of the digestive tract that filter metabolic waste from the hemolymph and deposit the metabolic waste incorporated with solid food waste.

Answer 8

Malpighian Tubules

Question 9

Blind, unbranching fluid filled tubes where gas exchange occurs within an insect body

Answer 9

Tracheal system

Question 10

extensions of the trachea that lack taenidia

Answer 10

Air sacs

Question 11

the name of the region of the insect digestive system where enzymatic digestion and absorption of nutrients take place.
the front third-
rear third-

Answer 11

Mesenteron

Stomodeum- Swallowing, grinding

Proctodeum - anus(poop), water/salt absorption

Question 12

is the term to describe the insect mouthpart that forms a coiled proboscis consisting of elongated galea with food channel in the middle. Term describes a function.
mosquitos kind
higher fliers-

Answer 12

Siphoning

Piercing/ sucking

sponging

Question 13

internal projections of the exoskeleton that serve as attachment points for muscles.

Answer 13

Apodeme

Question 14

the name of the region of male reproductive system that stores mature sperm prior to them being released.

Answer 14

Seminal vesicle

Question 15

term used to describe insect legs modified for digging.

Answer 15

Fossorial

Question 16

Describes mouthparts on an insect are oriented parallel to an insects body and point forward.-

Under/Beneath-
behind-

Answer 16

Prognathous

Hypognathous
Opisthognathous

Question 17

the apical-most segment of the insect antennae -
Basal segment-
Between segment

Answer 17

flagellum
Scape
Pedicel

Question 18

the layer of the arthrodpod exoskeleton that is composed of a single layer of columnar cells.

Answer 18

Epidermis

Question 19

one of the two insect mouthparts that have structures called palps,

Answer 19

Maxillae or Labium

Question 20

the total number of body segments the common ancestor of all arthropods is hypothesized to have had.

the number of abdominal segments that underwent tagmosis to form the posterior-most tagma of insects

Answer 20

20

11

Question 21

the posterior-most of the tagma that an insect exhibits

Answer 21

Abdomen

Question 22

modified appendages of the last segment of posterior tagma in insects, often filamentous or forceps-like

Answer 22

Cerci

Question 23

Describe 2 functions of the Hemolymph in insects

Answer 23

Nutrient transfer
Waste management,
Moisten cells
Internal Pressure-reinforce exoskeleton

Question 24

Name the Insect leg parts from base to end
Araneae first-
Arthropod-

Answer 24

Coxa-Trochanter-Femur-Patella-Tibia- Metatarsus- Tarsus-

Coxa-Trochanter-Femus-Patella-Tibia-Tarsus-Pretarsus

Question 25

``` Taxonomic hierarchy for the following: Family Tribe Subfamily Superfamily ```

Answer 25

idae ini inae idea

Question 26

define the term apterous and explain the difference between primitively apterous and secondarily apterous

Answer 26

being wingless. Primitively apterous means the insect never had wings in its ancesterial heritage. Secondarily Apterous means that its ancestors had wings, and it lost its wings somewhere in its evolutionary chain.

Question 27

Internal linings of the Cuticle, | what two internal organs use it-

Answer 27

Intima | Stomodeum, Proctodeum

Question 28

Contrast the external morphology between insects and a spider.

Answer 28

Insects have different mouthparts,(list types) Spiders have modified first pair of appendages called chelcercia, Spiders leg appendages have metatarsus, and insects have pre-tarsus. Most spiders are unsclerotized and adult insects are.

Question 29

Describe the journey of a blood cell in the Helmoymph,

Answer 29

Start in hemocoel in the body, as the heart relaxes the otisa open, and hemolymph flows into the heart. The heart is blind and when the muscles compress hydrolic pressure is formed pushing blood anteriorly through in the dorsal vessel to the opened aorta where it travels into the head and the thoracic appendages first, accessory pulsatile organs then pump into the wings/appendages. then back into the hemocoel and collected by the heart again.

Question 30

Describe the two types of flight and the muscles.

Answer 30

Paleoptera- Direct flight muscles that are only used to power flight, these have terga-sternal muscles which pull down the notum raising the wing tip, and the dorsal-longitudial muscles which pop the notum up pushing the wing tip down. Anisoptera Neopetra- has indirect and direct muscles. the direct muscles fold the wings back, and the indirect power flight, coleptera

Question 31

Address all the characteristics of the of Arthropods.

Answer 31

``` Dorsal Brain and ventral nerve cord exoskeleton made of chitin Bilateral symmetry and an open circulatory system. Arthropods have Hemocoel excretion via anus dioecious ```