WED, CAM, and Fossils

What are fossils?

• Rocks

• Preserved remains or traces of ancient things

• Plants

• Animals

How do most fossils form?

• From volcanic eruptions

• When living things die and are covered by sediments

• When animals hide their remains

• By being exposed to sunlight

What is sedimentary rock?

• Rock that floats on water

• Rock found only on mountains

• Rock that is made of hardened sediment

• Rock that is soft and breaks easily

Where are most fossils found?

• In deserts

• In mountains

• In or near quiet environments like swamps, lakes, or shallow seas

• In cities

What is a mold fossil?

• A type of fossil that forms from leaves

• A fossil that forms in volcanic ash

• A hollow area in sediment in the shape of an organism or part of an organism

• A fossil made entirely of minerals

What is a cast fossil?

• A fossil formed by minerals seeping into a mold

• A fossil formed by pressure only

• A fossil that is a direct print of an animal's skin

• A fossil that includes only bones

What does the term "extinct" mean in the context of organisms?

• Still living and found everywhere

• No longer exists and will never live on Earth again

• Recently discovered

• Capable of adapting to any environment

What do trace fossils provide evidence of?

• The color and size of ancient organisms

• The diet of ancient organisms

• The behavior of ancient organisms

• The habitat preferences of ancient organisms

What is the primary role of paleontologists?

• To study human history

• To collect and analyze fossils

• To predict future geological events

• To explore outer space

What does the fossil record show?

• The temperature of ancient Earth

• The types of rocks formed millions of years ago

• Millions of types of organisms have existed

• The types of plants that will exist in the future