Earth's History and Evolution

Two colors of moths are shown. What would happen to the population if all trees became dark?

What type of rock formation is represented by the letter D in this image?

Fossilized wood is the most common form of this type of fossil.

Identify the current geologic era, modern humans first appear.

If darker skin became a survival advantage in humans, over time what color would most humans be

Choose the correct order of events in this cross section of sediments, oldest to youngest.

A type of fossil shown on the right side of the image.

What type of fossil is shown in this image. Hint; actual tissues of the organism remain.

When there are no more living examples of a species to reproduce.

Most fossils are found in this type of rock

True or False. Genetic variation in a species is vital to its survival.

Which of the following do paleontologists believe was the cause of Dinosaur extinction

A scientist who studies fossils

The type of fossil where an image of the organism is left on the rock.

Were would you find a catalog of all of the fossils ever found on earth in chronological order

A type of fossil formed by an imprint left in sediment as seen on the left of the image

Which of the fossils found within these layers best represents a possible index fossil.

Fossils of organisms that are found in widespread areas but in narrow time periods.

Any remains or trace of a once living organism

How does genetic variation in a species aid in the evolution of the species