Migration in Birds

question 49

Multiple Choice

Migration in birds

• A)is inborn and instinctive.
• B)allows these organisms to live in favorable climates and use more resources.
• C)is triggered by external stimuli such as day length.
• D)is closely linked to reproductive cycles.
• E)All of the choices are correct

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Definitions:

Cyclohexane

A cyclic hydrocarbon with the formula C6H12, consisting of a ring of six carbon atoms.

Torsional Strain

The resistance that occurs when molecules twist about their bonds, leading to a decrease in stability due to the repulsion between electrons in eclipsed conformations.

Newman Projection

is a way to visualize the spatial arrangement of bonds from the perspective of looking down the bond axis between two carbon atoms in a molecule.

C2-C3 Bond

A bond linking the second and third carbon atoms in a carbon chain, important in understanding the structure of organic molecules.