Species Diversity Declines from the Equator Toward Either Pole

question 80

Essay

Species diversity declines from the equator toward either pole. Discuss the possible explanations for this observation.

---

Definitions:

Gross Motor Skills

The skills needed to manage the major muscle groups in the body for activities such as walking, running, sitting, and crawling.

Sensorimotor Substage

A stage in Jean Piaget's theory of cognitive development, occurring from birth to approximately age 2, where infants learn through interacting with their environment using their senses and motor actions.

Secondary Circular Reactions

A substage in Piaget's sensorimotor stage characterized by the repetition of actions that produce interesting consequences.

Primary Circular Reactions

Early repetitive behaviors of infants, focused on the infant’s own body, that serve as the building blocks of sensory and motor development.