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Module 9

Module 10

Development Worksheet

5 Points
(each error costs 0.25 point)

1.   Identify each lettered structure on this schematic diagram of an insect's egg:
  A.
  B.
  C.
  D.
  E.


2.   Starting at fertilization, identify the correct sequence of events during embryogenesis:
 
 
 
 
 


3.   Put a check mark by each structure that develops from embryonic mesoderm:
Blood Midgut Fat body
Brain Hindgut Epidermis
Muscle Foregut Gonads


4.   Put a check mark by each structure that develops from embryonic endoderm:
Blood Midgut Fat body
Brain Hindgut Epidermis
Muscle Foregut Gonads


5.   When an insect molts, it builds a new exoskeleton on the    of the old exoskeleton.  The old   is absorbed and reused, but the old   and   is shed during  .


6.   Put a check mark by each stage of development that occurs in ametabolous insects:
Egg Nymph Pupa
Larva Young Adult


7.   Put a check mark by each stage of development that occurs in hemimetabolous insects:
Egg Nymph Pupa
Larva Young Adult


8.   Put a check mark by each stage of development that occurs in holometabolous insects:
Egg Nymph Pupa
Larva Young Adult


9.   Identify the correct term for each definition:
   Developmental stage between molts
   Recently molted and unsclerotized
   Preparing to molt - building new  exoskeleton
   The adult stage of insect development


10.   Identify the correct larval or pupal type for each of the following:
   Wireworm
   White grub
   Caterpillar
   Puparium
   Chrysalis


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