History of Life (Fossils)

Scientist that study fossils are called

• ecologist

• fossologist

• paleontologist

• biologist

The most common fossils are found in

• sedimentary rocks

• igneous rocks

• metamorphic rock

• all choices are correct

The era when humans where around

• cenozoic era

• mesozoic era

• paleozoic era

• jurassic period

Fossil records indicates all of the following EXCEPT

• organism change over time

• simple forms of life existed before complex

• most organisms are extint

• fossils of tropical plants/animals are only found in tropical areas

The era that includes only vertebrate and invertebrates orgnaims

• Cenozoic

• Mesozoic

• Paleozoic

• Jurassic

The era that had dinosaurs is called

• paleozoic

• mesozoic

• cenozoic

• all of the choices

The amount of time an element takes to lose half of it nucleus

• half-life

• radioactivity

• Carbon-14

• Potassium-40

Predict how old rocks are

• relative dating

• half-life

• C-14

• K-40

____ is used to date fossils up to 1.26 billion yrs old

• K-40

• C-14

• Half-Life

• Radioactivity

A rare type of fossil that preserves the whole organism

• total preservation

• sediments

• volcano

• erosion