The Evolution of Living Things & History of Life on Earth

What are the remains or physical evidence of an organism preserved by geological processes?

• species

• fossils

• molds

• casts

Which era had the largest known mass extinction?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

What can help explain how a population responds to its environment?

• adaptation

• evolution

• separation

• division

Which era of the Geological Time scale began 248 million years ago?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

What is the process in which inherited characteristics change over time resulting in the formation of a new species?

• adaptation

• evolution

• seperation

• division

What is the island that Darwin made some of his most important observations?

• Grand Cayman

• Crete

• Galapagos

• Gran Canaria

What type of organism is believe to be the first organism that existed in the Precambrian time?

• single celled protist

• fungi

• single celled bacteria

• Cyanobacteria

What is a genetically determined characteristic?

• adaptation

• fossil

• natural selection

• trait

Which of these chemicals did NOT make up the part of the atmosphere of the Earth during Precambrian time?

• Carbon Dioxide

• Oxygen

• Water Vapor

• Nitrogen

What do scientists study in order to trace the evolution of organisms?

• species

• fossils

• mold

• casts