Lecture 14 quiz- soical behaviors

Play an AI-generated podcast conversation about this lesson

What does the overlap of troop home ranges among howler monkeys suggest?

Increased genetic diversity within the population

Enhanced reproductive success among different troops

Cooperative exchange of resources among troops

Competition for resources between neighboring troops (correct)

Why might the presence of little genetic polymorphism in howler monkeys be a concern?

Higher vulnerability to diseases and threats (correct)

Enhanced ability to adapt to environmental changes

Improved reproductive success within the population

Increased resistance to diseases

What factor is believed to primarily limit population growth among howler monkeys?

Diet quality during juveniles' development (correct)

Availability of fresh leaves from tree species

Genetic diversity within the population

Limited gene flow between neighboring troops

What is considered a high-quality dietary item for howler monkeys as per the text?

Fresh leaves from protein-rich tree species Signup and view all the answers

How might low genetic diversity affect a population's ability to adapt to environmental changes?

Increasing susceptibility to diseases and threats Signup and view all the answers

Why is the number of infants being born not considered the primary factor limiting population growth among howler monkeys?

Poor diet quality during juveniles' development Signup and view all the answers

What is the likely reason for the difference in vocal tract size and testes size between howler monkey species with harem social structures and those in multi-male groups?

Differences in mating strategies and sperm competition Signup and view all the answers

What is the suggested impact of the founder effect on the current population of the island?

The population has low genetic diversity Signup and view all the answers

How has the lack of human disturbance on the island likely contributed to the stability of the wildlife populations?

It has preserved the natural ecosystem Signup and view all the answers

What is the likely reason for the relatively large and well-distributed population of howler monkeys on the island?

Availability of essential food items Signup and view all the answers

Which of the following is a characteristic of howler monkeys that suggests their reliance on specific food sources?

Preference for high-quality dietary items Signup and view all the answers

What is the likely impact of the founder effect on the current population's genetic diversity, as suggested by the census data?

The population has low genetic diversity due to the characteristics of the founding individuals Signup and view all the answers

Which of the following is NOT a characteristic of primates?

Ability to swim Signup and view all the answers

Which habitat do primates typically inhabit?

Various habitats worldwide Signup and view all the answers

What is the primary mode of locomotion for howler monkeys?

Brachiation Signup and view all the answers

Which of the following is a characteristic of the howler monkey's hands and feet?

They have an opposable big toe Signup and view all the answers

What is the purpose of the slash and burn agriculture technique mentioned in the text?

To clear land for planting crops Signup and view all the answers

What does the term average troop size refer to in the context of primates?

The typical number of individuals in a group or community of primates Signup and view all the answers

What is the primary function of the fingerprint-like markings on howler monkeys' fingertips?

To enable researchers to estimate population genetic diversity Signup and view all the answers

Which of the following best describes the digestive system of howler monkeys?

They have a specialized digestive system to process their fibrous, leaf-based diet Signup and view all the answers

What is the primary mode of communication used by howler monkeys?

Loud and distinctive vocalizations Signup and view all the answers

What is the primary habitat of howler monkeys?

Arboreal (tree-dwelling) Signup and view all the answers

Which of the following best describes the investigative behaviors of howler monkeys?

They are curious creatures and often engage in investigative behaviors, exploring their environment, inspecting objects, and testing new food sources Signup and view all the answers

How do howler monkeys primarily use the nests they construct in tropical forests?

To rest and sleep during the night Signup and view all the answers

What unique feature of howler monkeys' feet allows them to grip branches and manipulate objects?

An opposable big toe Signup and view all the answers

What term describes how howler monkeys move through their arboreal habitat by swinging from branch to branch using their arms?

Brachiation Signup and view all the answers

What does 'allelomimetic' behavior refer to among animals within a group?

Mimicking each other's behaviors Signup and view all the answers

In what context is the term 'allelomimetic' often used when studying animal behavior?

Communication and social bonding Signup and view all the answers

During which phase of their reproductive cycle do female howler monkeys exhibit behaviors to attract males and initiate mating?

'Heat' or estrus phase Signup and view all the answers