Fall 2024_Fossil Record

Fall 2024_Fossil Record

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the fraction of the original parent isotope that remains after 3 half-lives?

Back

0.1250 g

2.

FLASHCARD QUESTION

Front

True or False: Most organisms become fossils after death.

Back

False

3.

FLASHCARD QUESTION

Front

Which rock layer most likely contains fossils of the most recently evolved organisms?

Back

Layer 1

4.

FLASHCARD QUESTION

Front

What is the term for the length of time required for half of the radioactive atoms in a sample to decay?

Back

The half-life

5.

FLASHCARD QUESTION

Front

Which fossil is older: Fossil D or Fossil C?

Back

Fossil D is older than Fossil C.

6.

FLASHCARD QUESTION

Front

Define 'fossil record'.

Back

The fossil record is the history of life on Earth as documented by fossils, which are the preserved remains or traces of organisms.

7.

FLASHCARD QUESTION

Front

What is a half-life in radioactive decay?

Back

A half-life is the time required for half of the radioactive atoms in a sample to decay.

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