Bats are classified in order ( ). A: Chiroptera B: Insectivora C: Primates D: Cetacea E: Lagomorpha

Primarily grazing animals with hooves are called ( ). A: primates B: ungulates C: carnivores D: cetaceans E: rodents

In recent years viruses have been shown to cause cancer in chickens. Viruses have also been shown to cause cancer in mice, cats, and even in some primates. Viruses might cause cancer in humans.This is a reasonable hypothesis.

The larger cranial capacity seen in human crania, relative to those of other primates, is achieved, in part, by a vertical expansion and lengthening of what cranial bone? A: Zygomatic B: Maxilla C: Frontal D: Temporal

In the third paragraph, a crow is mentioned as an example to show______. A: crows are cleverer than chimpanzees B: crows have a certain amount of intelligence C: non-primates are as intelligent as primates D: non-primates are able to use tools

Scientists concluded from the experiment with chimpanzees and chocolate chips that chimpanzees ______. A: lack abilities that other primates have B: prefer to work in pairs or groups C: exhibit behavior that indicates certain mathematic ability D: have difficulty selecting when given choices

The writer says that primates show little hostility ______. A: towards soldiers and other human beings B: except towards animals such as lions, leopards, tigers or wild cats C: unless their own particular area is invaded D: towards other groups of the same species of monkey or ape