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Lecture 19: Evolving Behavior - What Evolves?

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Lecture 19: Evolving Behavior - What Evolves?

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Questions and Answers

What does the term 'atavism' refer to in the context of bird behavior evolution?

A characteristic exclusive to modern bird species

A trait acquired by birds from their immediate environment

A behavior unique to birds with long bodies

A reversion to an ancestral quadruped pattern (correct)

Why is Lorenz's Atavism hypothesis considered inadequate in explaining bird behavior evolution?

It fails to consider the dorsal and ventral scratching routes

It overlooks the importance of limb locomotion in bird behavior

It cannot account for the bidirectional pattern changes observed

It does not address the diversity of species displaying over wing scratching (correct)

What is a distinguishing feature of the development of pattern change in vertebrates according to the text?

Limbless animals being unaffected by pattern change

The synchronous flexing of both sides of the body axis

Tadpoles transitioning directly into limb locomotion

Axial locomotion relying on the Central Pattern Generator (CPG) (correct)

What aspect of bird behavior evolution is characterized by the presence of dorsal and ventral scratching routes?

The independent evolution of two distinct behavior patterns Signup and view all the answers

In what way do long-bodied vertebrates like frogs differ from limbless animals in terms of locomotion?

Long-bodied vertebrates exhibit sinusoidal movements controlled by the CPG Signup and view all the answers

What problem is mentioned to be absent when it comes to pattern change in vertebrate locomotion?

'Problems of Development' as it can be bidirectional Signup and view all the answers

Lecture 19: Evolving Behavior - What Evolves?

Choose a study mode

Podcast

Questions and Answers

What does the term 'atavism' refer to in the context of bird behavior evolution?

Why is Lorenz's Atavism hypothesis considered inadequate in explaining bird behavior evolution?

What is a distinguishing feature of the development of pattern change in vertebrates according to the text?

What aspect of bird behavior evolution is characterized by the presence of dorsal and ventral scratching routes?

In what way do long-bodied vertebrates like frogs differ from limbless animals in terms of locomotion?

What problem is mentioned to be absent when it comes to pattern change in vertebrate locomotion?

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