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Is Insecta a class or family?
Class
Organization
Organ level
Embryonic Development
Triploblast Protosome Eucoelomate
Triploblastic or diploblastic?
Triploblastic
Protosome or durtrosome?
Protosome
Acoelomate, Pseudocoelomate or Eucoelomate?
Pseudocoelomate
Symmetry
Bilateral symmetry
Skeleton
Exoskeleton
Movement/Locomotion
Striated Muscles
Sensory Structures
Antenna Cerebral ganglia Ventral nerve cord Cephalization Compound eyes
Circulation
Open circulatory system
Digestion/Feeding
Complete gut (mount and anus) Sucking mouth parts Piercing mouthparts Predators
Complete or incomplete gut?
Complete gut
Excretory/osmoregulation
Malpighian tubules
Reproduction
Sexual Dioecious Internal fertilization Metamorphosis
What is the structure that allows you to differentiate between grasshopper sexes?
Ovipositer
What does the presence of the ovipositer mean?
Grasshopper is Female
What is the purpose of the ovipositer?
Reproduction
What does the lack of a ovipositer mean?
Grasshopper is Male
Why do the spiracles of the respirator tract open to the outside of the body?
To allow continuous supply of O2 Acts as channel to release CO2
What are the two specialized areas of the digestive tract that refect adaptations to living in dry, terrestrial habitats?
Malpighian tubules and rectum
What benefit do gastric ceca provide grasshoppers?
Increased SA for digestion
What characteristic is shared by the Myriapoda and Hexapoda but not the Crustacea?
Uniramous appendages
Which order in Insecta contains parasitoids and eusocial species?
Hymenoptera
Which of the following is not holometabolous insect?
Orthoptera
Based on genomic data, which of the subphyla below is paraphyletic
Crustacea
Which group below has the most similar diet to members of Class Chilopoda?
Arachnida
What does it mean to be Uniramous?
Unbranched
How many tagmata are there in this Phylum?
Three tagmata
What are the three tagmata?
Cephalon Thorax Abdomen
What is the exoskeleton made of?
Chiton
What is Ecdysis?
Molting; shedding of outer skin?
Why do organisms preform Ecdysis?
To grow
Where does absorption of nutrients occur?
Midgut only
What kind of diet does the class Chilopoda exhibit?
Carnivorous
What kind of diet does the class Diplopoda exhibit?
Detritivores (Dead)
What kind of diet does the subphylum Hexapoda exhibit?
Predator Herbivore Omnivore Detrivore
How many pairs of legs does Chilopoda have?
1
How many pairs of legs does Diplopoda have?
2
How many pairs of legs does Hexapoda have?
3
What classes exists in Myriapoda?
Chilopoda & Diploda
What is the subphylum of Insdcta?
Hexapoda
What is the feature of Subphylum Myriapoda?
Many feet
What is serial homology?
Repeating legs on each segment
How many pairs of antennae does Subphylum Myriapoda have?
1
How many pairs of legs does class Chilopoda have per segment?
1
How many pairs of legs does class Dipopoda have per segment?
2
What kind of defense does Diplopoda have?
Non-venomous defenses
Why are insects a diverse group?
Wings Different life cycle Small size Small generation size Appendage specialization
What are some major insect Evolutionary Innovations?
Flight Wing Folding Complete development Metamorphosis
What are some major insect Evolutionary Innovations?
Co-evolution Complex social structure Parasitoidism
What subphylum has tree pairs of legs?
Hexapoda
What is the purpose of the cephalon tagmata?
Sensory
What is the purpose of the thorax tagmata?
Locomotion
What is the purpose of the abdomen tagmata?
Reproduction
What class coevolved with many plant species?
Insecta
Which class has the most species of insects?
Insecta
What subphylum is Insecta in?
Hexapoda
What are the divisions of Insecta?
Paleoptera Neoptera
What Order do wingless insects belong to?
Zygentoma
What are some examples of Order Zygentoma?
Silverfish
Zygentoma insects do not display metamorphosis, the display...
Ametabolous
What does it mean to be Ametabolous?
Juveniles resemble small adults
What subphylum does Zygentoma belong to?
Hexapoda
What are the two types of metamorphosis do winged insects exhibit?
Hemimetabolous development Holometabolous
What does hemimetabolous development mean?
Incomplete metamorphosis
What are some examples of hemimetabolous organisms?
Grasshoppers, termites, dragonflies, cicadas
What does holometabolous development mean?
Complete metamorphosis
What are some examples of holometabolous organisms?
Butterflies, mosquitoes, ants, wasps
To what subphylum do Division Neoptera and Paleoptera belong?
Hexapoda
What order belongs to Paleoptera?
Odonata
What is the main feature of the division Paleoptera?
Wings develop outside of the body
What are the two main organisms in Order Odonata?
Dragonfly Damselfly
What kind of development is exhibited by the division Paleoptera?
Hemimetabolous
What are the individual units in compound eyes called?
Ommatidia
How many pairs of wings does the order Odonata have?
2
What is the main difference between Division Neoptera and division Paleoptera?
Presence of wing folding
Which division is able to fold their wings?
Neoptera
What orders of division Neoptera exhibit Hemimetabolous development?
Orthoptera Blattodea Hemiptera Mantodea Phasmida
What are some organisms in order Orthoptera?
Grasshopper Crickets Katydids Locusts
What is the purpose of the enlarged hindlegs in order orthoptera?
Jumping
What adaptation does the order Orthoptera have due to their herbivorous diet?
Chewing mouthparts
What structure helps to generate sound in order orthoptera?
"File and scrape" structure
Where are the "File and scrape" structures located in order Orthoptera?
Front wings
Where are the ears located in order Orthoptera?
Front legs
What are the members of Order Blattodea?
Cockroaches and termites
What type of social structure do termites exhibit?
Eusocial
What does it mean to be eusocial?
Single queen, caste style (hierarchy)
What phylum does order hemiptera belong to?
Hexapoda
What are the three groups of order hemiptera?
True bugs, hoppers, aphids
What feeding methods does order hemiptera exhibit?
Piercing and sucking mouth parts
What is the purpose of odorous glands in order hemiptera?
Defense,repel predators
What are some members of order Hemiptera?
X marked bugs Cicadas Aphids mealybugs Whiteflies
What subphylum does the order Mantodea belong to?
Hexapoda
What organism makes up order Mantodea?
Praying mantis
What kind of predators are the members of order Mantodea?
Ambush predators
What feature does the order Mantodea exhibit to assist in prey capture?
Modified raptorial forelimbs (Specialized grasping forelegs)
What subphylum does order Phasmida belong to?
Hexapoda
What are the members of order phasmida?
Walking sticks Leaf insects
What is the indicating feature of order phasmida?
Camouflage
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