Ch 22 Questions

Front

What is the age of the oldest hominid fossil?

Back

~7 million years

Front

Which domain includes organisms typically found in extreme environments?

Back

Archaea

Front

What is the correct order of the modern system of taxonomy?

Back

Domain > Kingdom > Phylum > Class > Order > Family

Front

True or False: Organisms with soft bodies are more likely to fossilize.

Back

False

Front

Which era do we currently live in?

Back

Cenozoic

Front

Define 'hominid'.

Back

A member of the biological family Hominidae, which includes humans and their ancestors.

Front

What are the three domains of life?

Back

Bacteria, Archaea, Eukarya

Front

What is the significance of the Cenozoic era?

Back

It is the current geological era, characterized by the dominance of mammals and birds.

Front

Explain the concept of fossilization.

Back

The process by which organic material is preserved in sedimentary rock.

Front

What is the difference between Eukarya and Archaea?

Back

Eukarya have complex cells with a nucleus, while Archaea are simpler, often extremophilic organisms.