Unit 10 Fossils

Which could result in a mass extinction?

• heavy thunderstorm
• no rain for long periods of time 
• alternating dry and wet seasons
• rainy seasons followed by short periods of dry weather 

While the class was working, John traded the %: card for a cards showing a diamond . What did this do to his results?

• They now show a mass extinction at the 5 card.
• He was not able to place the new card in his stack.
• It caused the entire stack to become out of order.
• He was able to show the : became extinct.

Some coal produces a lot of heat and little pollution. What makes this kind of coal form?

• fast burial once the plant dies
• certain kinds of plants
• a lot of plant material
• high temperature and pressure

Look at the symbols representing fossils in the rock layers shown here. Which type of fossil is approximately 358 million years old?

• x
• diamond
• rectangle
• star

We are on a field trip to examine a series of rock layers and the fossils  in the rock.  Which fossil is the youngest?

• clamshell
• dinosaur bone
• trilobite
• cow skull

What have scientist determined about woolly mammoths?

• They are able to live in the very cold climate of the ice age.
• The more fur on their bodies the older they are.
• The fur helped block spears from humans.
• The fur made their bodies to warm and that is why they are extinct today.

Mrs. TeKrony visited the La Brea tar pit in California with her family. She learned that the plants that lived in the area 40,000 years ago were not much different from those that live in and around Los Angeles today.  What can she infer about this information?

• None of the plants has changed since that time.
• The animals that lived then are the same now. 
• The climate is not much different from what it was back then.
• Yearly rainfall has increased steadily

How can you demonstrate relative dating using a stack of newspapers

• by identifying the age of each paper by the date listed at the top of each one.
• by noting the dates of the top and bottom papers.
• by describing the placement of the papers withing the entire stack. 
• by comparing the stack of papers to a stack from a different newspaper.

Suppose George substituted the %: card for a card that had both a diamond and a O.  In which spot could she correctly place the card?

• 3rd
• 4th
• 5th
• 6th

Plants and animals become fossilized in several different ways. Which object fossilized the longest time ago?

• A
• B
• C
• D