Insects

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  • Created by: Omar-uni
  • Created on: 06-01-20 20:06
What is a Hexapod Bauplan?
A head with 5 segments, thorax and abdomen
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What are Orthoptera?
Relatively primitive , unspecialised insects
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What do Insect wings consist of?
Thin cuticular membranes, criss-crossed with veins containing haemolymph
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What are forewings for?
Protection
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What does a wing hinge contain?
Resilin, similar to elastic
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How do walking insects walk?
They only keep 3 legs on the ground at any one time, with an alternating tripod sequence
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What is the Malpighian tubule for?
Conservation of water, excretion of excess ions, plant toxins, nitrogenous waste and conservation of organic solutes
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Describe and insects circulatory system:
Open circulatory system, dorsal heart, pericardial sinus ,ostia and accessory hearts
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Describe and Insects tracheal system?
Used for gas exchange, mostly diffusion. Tracheoles not chitin lined unlike trachea
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What are Insect compound eyes made from?
Ommatidia
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What do insects rely upon to find mates?
Pheromones
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What is the name for the act of changing body forms?
Metamorphosis
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What is the name of insects that undergo complete Metamorphosis?
Holometabolous
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What is the name of insects that undergo partial metamorphosis?
Hemimetabolous
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Other cards in this set

Card 2

Front

What are Orthoptera?

Back

Relatively primitive , unspecialised insects

Card 3

Front

What do Insect wings consist of?

Back

Preview of the front of card 3

Card 4

Front

What are forewings for?

Back

Preview of the front of card 4

Card 5

Front

What does a wing hinge contain?

Back

Preview of the front of card 5
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