Which of the Following Is a Widely Supported Explanation for the Tendency

question 6

Multiple Choice

Which of the following is a widely supported explanation for the tendency of tropical communities to have greater species diversity than temperate or polar communities?

• A) They are less likely to be affected by human disturbance.
• B) There are fewer parasites to negatively affect the health of tropical communities.
• C) Tropical communities are low in altitude, whereas temperate and polar communities are high in altitude.
• D) Tropical communities are generally older than temperate and polar communities.
• E) More competitive dominant species have evolved in temperate and polar communities.

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Definitions:

Neural Tube

A hollowed-out area in the blastocyst from which the nervous system develops.

Neural Tube

A structure in the early stage of brain and spinal cord development in embryos.

Neurons

Specialized cells that transmit nerve impulses; they are the fundamental units of the brain and nervous system.

Cephalocaudal Development

A pattern of growth where development proceeds from the head downwards towards the rest of the body.