Mr. Fischer's Science Quiz (Week of 9/8)

When did complex cells first form?

• 65 million years ago
• 1,000 years ago
• Roughly 540 million years ago
• 2 million years ago

Which organism appeared earliest in Earth’s history?

• Single-celled organisms
• Fish
• Dinosaurs
• Insects

What is a fossil?

• A type of rock
• A living organism
• a type of soil
• The preserved remains of a once living organism

What does the fossil record show?

• The weather history of Earth
• The history of Earth from fossils collected so far
• The amount of gold on Earth
• The map of ancient oceans

What does biodiversity describe?

• The climate of a region
• The number of rocks on Earth
• The variety of species on Earth
• The size of fossils

What does it mean if a species is extinct?

• It is found in many places
• All members of the species have died and it no longer exists
• It can no longer reproduce

What is mass extinction?

• The extinction of one animal
• A natural disaster
• An event where many species go extinct in a short time
• The death of plants only

Which of the following is a trace fossil?

• A complete dinosaur skeleton
• A fossilized tooth
• A footprint left by an ancient animal

What is the geologic time scale used for?

• Telling time with the sun

• Measuring the weight of rocks

• Organizing Earth’s history

• Predicting earthquakes

What is a geologic era?

• A type of rock

• A short event in time

• A large unit of time in Earth’s history

• A type of fossil