Life Science, Unit B, Ch 1, History of Life, Post Assessment

Which of the following is a fossil?

• a plant that has recently died
• a group of organisms that can reproduce
• a structure or organ that no longer functions
• a trace of an organisms that existed in the past

What were Earth's first living organisms?

• Photosynthetic eukaryotes
• Photosynthetic prokaryotes
• Anaerobic prokaryotes
• Anaerobic eukaryotes

TRUE OR FALSE: Life started on Earth 3.5 billion years ago.

• True
• False

The Earth is about this old...

• 10 billion years
• 4.6 billion years
• 3.8 billion years
• 4.4 million years

Humans and dinosaurs lived together. 

• True
• False

We have found fossils of all of the species. 

• true
• false

In early Earth's history, there was one giant land mass called

• Pangaea

• Panera

• Pantera

• The Island on Silver Lake

Paleontologists believe that hominid evolution began in 

• Africa
• Europe
• Illinois
• Asia

When scientists discovered the first fossil of australopithicus, they named it

• Boss
• Nancy
• Marsha
• Lucy

A researcher who studies fossils to know about ancient life is a ____________.

• geneticist 
• biochemist
• paleontologist
• physicist