10 Questions
What is the distinguishing feature of subphylum Hexapoda?
Three pairs of legs on thoracic segments and no appendages on the abdomen
Which class of hexapods includes 'springtails'?
Collembola
How do insects carry out gas exchange according to the text?
Via a tracheal system with lateral spiracles
What evolutionary trait set insects apart from other invertebrates?
Evolution of flight and wings
Which factor led to the adaptive radiation of insects according to the text?
Adaptation to feeding on gymnosperms
Why are insects considered the most diverse animal group?
They evolved flight and wings, leading to their wide distribution
Which small classes of wingless hexapods are mentioned in the text?
Protura, Collembola, Diplura
What is a defining characteristic of insect metamorphosis?
Complete transformation from larva to adult with significant differences between stages
What is a major advantage that the evolution of wings provided for insects?
Ability to disperse to new habitats and resources efficiently
Why are insects the only group of invertebrates that evolved wings and flight according to the text?
As a result of adaptive radiation following gymnosperm evolution
Test your knowledge on the evolution of insects and their respiratory systems with this quiz. Learn about the absence of O2-transporting respiratory pigments in most hexapods and the significance of wings as a pivotal evolutionary innovation in insects.
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