Ediacaran and Cambrian Periods Quiz

What is the Ediacaran Period known for?

• The beginning of the Cenozoic Era

• The final period of the late Proterozoic Neoproterozoic Era

• The start of the Cambrian explosion

• The extinction of dinosaurs

What significant event is associated with the Cambrian period?

• The extinction of the Ediacaran biota

• The first appearance of mammals

• A major increase in animal diversity

• The formation of the first oceans

What is believed about the early animal life termed Ediacaran biota?

• They evolved from plants

• They evolved from protists

• They were the first mammals

• They were the first birds

Where were Ediacaran fossils first found?

• Northern Africa

• Southern Australia

• Eastern Europe

• Western Asia

What is the significance of the Ediacaran period in Earth's history?

• It marks the beginning of the Proterozoic eon.

• It is known for the first appearance of hard body parts in animals.

• It is the period when dinosaurs first appeared.

• It marks the end of the Phanerozoic eon.

Which fossil is believed to represent the oldest animals with hard body parts?

• Cyclomedusa

• Spriggina

• Coronacollina acula

• Dickinsonia

What is the estimated age of the fossils found in South Australia that may represent the earliest animal species?

• 560 million years

• 650 million years

• 700 million years

• 500 million years

What was the previous belief about animal life before the discovery of fossils from the Cryogenian period?

• Animals evolved during the Cambrian period.

• There was no animal life prior to the Ediacaran period.

• Animals existed during the Jurassic period.

• Animal life began in the Phanerozoic eon.

What was a top predator during the Cambrian period?

• Anomalocaris

• Trilobite

• Horseshoe crab

• Ammonite

Which Cambrian period species was among the first to exhibit a sense of vision?

• Trilobite

• Anomalocaris

• Ammonite

• Nautilus