Which feature is common to all primates?
a. large brain relative to body size
b. upper body weight distributed over pelvis
c. pelvis rotated inward
d. two arches in foot

The correct option is A.

Primates are a diverse group of animals and they include animals such as apes, monkeys, etc. The primate group is divided into two distinct orders based on the brain size of the animals. Primates have some peculiar characteristics, which include the following: they have shortened snouts, reduced number of teeth compared to other mammals, they possess several types of teeth, which made it possible for them to eat varieties of food and forward facing eyes orbit. Their brains also is large relative to their body size.

Large brain relative to body size is the most common feature of primates.

Further Explanation:

Primates are an extremely diverse group of between one ninety and three hundred fifty living species, that are depends on different taxonomic level. They have various characteristic features that help in differentiate from other mammals. Examples of primates are monkey, apes etc. Humans share vary similar traits with the other primates.

The major features of primates are:

All the primate species possess adapted to tree climbing, because they are the ancestor of f tree-dwellers. Some other characteristics of primates are that they have claws that are modified into flattened nails, able to hold body in upright position, and produced one offspring per pregnancy.

Learn more:

Answer Details:

Grade: High School

Subject: Biology

Chapter: Evolution

Keywords:

Primates, tree climbing, offspring, upright position, tree-dwellers, eyes, brain, body, shoulder, collarbones.

b.

what school and grade?