Fossil Record and Evolution_Practice

Which level shown represents the oldest layer?

• 6

• 4

• 3

• 1

Tags

NGSS.HS-ESS1-5

Which of the following best describes the fossil record?

• A complete record of all life on Earth

• A sequence of evidence showing changes in organisms over time

• A record only of extinct animals

• A method for dating rocks

Tags

NGSS.MS-LS4-1

What does gradualism suggest about the rate of evolution?

• Evolution happens in short bursts

• Evolution is random and unpredictable

• Evolution occurs slowly and steadily over time

• Evolution happens only during environmental catastrophes

Which scenario best fits punctuated equilibrium?

• A species evolves slowly over millions of years

• A species remains unchanged for long periods, then changes quickly

• All species evolve at the same rate

• A species becomes extinct without evolving

The graph below shows how a population evolved over time. Which of the following best describes this change?

• Rapid evolution

• Gradualism

• Stasis

• Punctuated equilibrium

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Vestigial structures are:

• Completely nonfunctional parts with no history

• Useful traits found in all animals

• Structures that have lost their original function over time

• Newly developed traits with unclear functions

Tags

NGSS.HS-LS4-4

Which evidence would best support punctuated equilibrium?

• A continuous series of intermediate fossils

• A sudden appearance of new traits in the fossil record

• A consistent fossil timeline

• Long-term stability of traits

What does the term "punctuated equilibrium" refer to in evolutionary biology?

• Constant, slow evolution over time

• Long periods of stability interrupted by brief periods of rapid change

• Evolution occurring at a constant rate for all species

• The extinction of species without any evolutionary change

Why are vestigial structures important to evolution?

• They show how humans are more advanced than other species

• They prove all traits are beneficial

• They are clues to ancestral functions and evolutionary history

• They are mutations that help species adapt

Tags

NGSS.HS-LS4-1

Which of these would most likely show stasis in the fossil record?

• Rapid changes in body form

• Identical fossils over long geological periods

• Sudden mass extinctions

• Transitional species

Tags

NGSS.MS-LS4-1