Human evolution

How were the first modern humans (Homo sapiens) different from any other hominid species?

• They lived outside of Africa.

• They had large brains.

• They used and controlled fire.

• They used symbolic thought.

What do we know about modern humans (Homo sapiens) and Neanderthals (Homo neanderthalensis) based on fossil and DNA evidence?

• Many Homo sapiens living today share genes with Homo neanderthalensis.

• The two species evolved from a common ancestor.

• Homo neanderthalensis lived all across Europe and parts of Asia, but only Homo sapiens spread into North and South America.

• Homo sapiens and Homo neanderthalensis lived on Earth at the same time.

The force that initiates evolution is

• Variation

• Mutation

• Extinction

• Adaptation

___________ is a vestigial organ

• Intestinal villi

• Papillae

• Vermiform appendix

• None of the above

The earliest geological time period among the following is _______

• Cambrian

• Permian

• Jurassic

• Quaternary

Example of a homologous organ

• The arm of a human, wing of a bird

• Wing of an insect, wing of a bird

• Leg of a dog, leg of a spider

• None of the above

Which condition can be explained by Lamarckism?

• How giraffes got their long neck

• How humans lost their tail

• How humans became bipedal

• All of the above

The oldest mineral discovered so far was __________, which dates back to 4.4 billion years.

• Iron

• Zircon

• Cadmium

• Silicon

Pidgeon, platypus and panda are _______

• Homeothermic

• Poikilothermic

• Hyperthermic

• None of the above

The last common ancestor of humans is

• Pan troglodytes

• Homo neanderthalensis

• Lemuroidea

• Dromaeosaurus