Chapter 16.1, Problem 1NV

Summary Introduction

To define:

Opposable first digit, binocular vision, diurnal, nocturnal, arboreal, anthropoid, prehensile tail, hominin.

Explanation of Solution

The opposable first digit is referred to the bog toe or thumb that is present in the opposite direction of other four fingers. It helps in proper grasping.

Binocular vision is defined as using two eyes for creating a single visual image.

Diurnal is referred to the animals that are active during the day.

Nocturnal is referred to animal that are active during night.

Arboreal animals are those animals that live trees and are mostly present in tropical regions.

Anthropoids are the primate that resemble humans.

Prehensile tail is adaptive character that possibly used to grasp and manipulate object.

Hominins are defined as primate those are closely related to homo sapiens. They have erect posture, bipedal locomotion, bigger skull and developed brain.