Some Birds Must Return to Roost as Darkness Approaches

question 13

Multiple Choice

Some birds must return to roost as darkness approaches. This is because their eyes contain

• A)cones, but no rods.
• B)rods, but no cones.
• C)too many cones.
• D)too many rods.
• E)more rods than cones.

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Definitions:

Identical Twins

Twins who develop from a single fertilized egg, sharing all of their genes and typically, but not always, having very similar appearances.

Spatial Tasks

These refer to cognitive tasks that involve the processing of visual and spatial information, allowing individuals to understand and navigate the spatial aspects of their environment.

Verbal Skills

The abilities associated with expressing ideas effectively through spoken or written language and understanding others’ language.

Sex

A biological characteristic defining male and female organisms based on reproductive anatomy and function.