Primates Have Been Observed to Make Different Calls in the Presence

question 26

Multiple Choice

Primates have been observed to make different calls in the presence of various other species. This is because

• A) they are trying to attract some species, but repel others.
• B) each call is designed to scare each kind of predator away most effectively.
• C) different species that may attack the primates have different abilities to hear the primate calls.
• D) they want to warn members of their groups of specific kinds of predators, in order to elicit a correct response.

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Definitions:

Bacterial Infection

An invasion of the body by harmful bacteria, which can cause diseases and conditions, ranging from mild to life-threatening.

Chlamydia

A sexually transmitted bacterial infection that if untreated, can cause serious reproductive and other health problems.

Sterility

The inability to reproduce or conceive a child, often due to factors affecting reproductive health.

Intrinsic Motive

Motivation driven by internal rewards, such as personal satisfaction or the joy of mastering a new skill, rather than external pressures or rewards.