ENT100 Mt2c Exam Questions and Answers 100% Pass

ENT100 Mt2c Exam Questions and
Answers 100% Pass


Ametabola -

[ANSWER]: - first group of insects (SUPER primitive)

- consists of the apterygota (which contains two orders: zygentoma, and

archaeognatha).




QUESTION: Apterygota -

[ANSWER]: - primitive, wingless insects

- 2 orders in this group:

a. Zygentoma

b. Archaeognatha




QUESTION: Zygentoma and Archaeognatha -

,[ANSWER]: Which 2 orders belongs to the Apterygota




QUESTION: Order Zygentoma -

[ANSWER]: - silverfish

-Greek for "bridge insect"




- Diagnostics:

-- thorax is flat, not arched

-- eyes are not touching

-- abdominal apex with 3 long-tail-like appendages

-- abdominal segments with remains of limbs (styli)




Biology: scavengers, detritivores, common in homes

(don't do much damage, books no longer bound with starch)




QUESTION: 3 terminal filaments -

,[ANSWER]: A big feature in Sygentoma : ____

- function like antennae

- there's no way for them to know what's going on at the back end (this

is in addition to their 2 antennae at the front).




QUESTION: Styli -

[ANSWER]: abdominal segments that are remains of limbs (little legs)




QUESTION: Hemimetabola -

[ANSWER]: From ametabola, we move onto ____

- includes the Paleoptera (which is the most primitive of this group)

-Neoptera (derived of this group)




QUESTION: Paleoptera -

[ANSWER]: the primitive groups of winged insects (most extinct) that

lack the ability to fold the wings over the abdomen

, 2 orders:

-- Ephemeroptera

-- Odonata




only have primary wing folding can not fold wings over top of each

other




QUESTION: Order Ephemeroptera -

[ANSWER]: Mayflies

--Greek : "Emphero"- for a day ; "pteros" - wings

"wing for a day"




- Diagnostics :

-- wings held roof-like above body

-- Usually 4 wings (but hindwing can be reduced)