Fast and the Curious Week 18 : Science 8

Front

What are the two main traits of the best index fossils?

Back

Widespread geographically and short lifespan.

Front

What does an increase in CO2 levels indicate about temperature?

Back

As CO2 increases, temperature also increases.

Front

Which fossil is considered the best index fossil?

Back

Fossil 2.

Front

Why is fossil #4 not a good index fossil?

Back

It is not short-lived (in numerous layers).

Front

Define index fossil.

Back

An index fossil is a fossil that is used to define and identify a particular time period in the geological time scale.

Front

What characteristics make a fossil a good index fossil?

Back

A good index fossil is widespread, abundant, and existed for a short period of geological time.

Front

Explain the significance of index fossils in geology.

Back

Index fossils help geologists date rock layers and understand the relative ages of the fossils found within them.

Front

What is the relationship between CO2 levels and global temperatures?

Back

Higher CO2 levels are generally associated with higher global temperatures.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism.

Front

What is the geological time scale?

Back

The geological time scale is a system of chronological dating that relates geological strata to time.