Question

State whether the following statements are true or false
The ancestors of modern anthropoids had reduced nose, stereoscopic vision, grasping hands and feet with nails on fingers and toes.

• A. True
• B. False

Answer 1

The correct option is A True

Anthropoids include monkeys, apes, and humans. Prosimians and anthropoids are two different groups of primates, which all evolved from a common primitive primate ancestor. The traits that distinguish anthropoids from prosimians include generally larger body size. larger brain (in absolute terms as well as relative to body weight) more rounded skull.

All primate species possess adaptations for climbing trees, as they all descended from tree-dwellers. This arboreal heritage of primates has resulted in hands and feet that are adapted for brachiation, or climbing and swinging through trees. These adaptations include, but are not limited to:

1) a rotating shoulder joint,

2) a big toe that is widely separated from the other toes and thumbs, which are widely separated from fingers (except humans), which allow for gripping branches,

3) stereoscopic vision, two overlapping fields of vision from the eyes, which allows for the perception of depth and gauging distance.

Other characteristics of primates are brains that are larger than those of most other mammals, claws that have been modified into flattened nails.

Hence, the correct answer is 'True'.