Life on Earth

Front

What type of rock layers are most likely to yield fossils that help scientists reconstruct the Earth's biological history?

Back

Sedimentary rock layers.

Front

True or False: Fossils show that the first living things were very tiny.

Back

True.

Front

What do fossils provide evidence about?

Back

Plants and animals that lived long ago.

Front

In a diagram showing fossils in different rock layers, which fossil is most likely the oldest if Fossil D is older than Fossil C?

Back

Fossil D is older than Fossil C.

Front

What is the correct order of rock layers from oldest to youngest?

Back

F, E, D, C, B, A.

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms.

Front

Why are sedimentary rocks important for studying fossils?

Back

Sedimentary rocks form in layers and often contain the remains of organisms, making them ideal for fossil preservation.

Front

What is the significance of studying fossils in understanding Earth's history?

Back

Fossils provide insights into the types of organisms that existed, their evolution, and the environmental conditions of the past.

Front

What is the principle of superposition in geology?

Back

In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest layers are at the top.

Front

What can fossils tell us about past climates?

Back

Fossils can indicate the types of plants and animals that lived in a region, which helps reconstruct past climates.