STAAR EOC Evolution

Stars like our sun most likely formed directly from a ___________, which is a cloud of dust and gas.

• Protostar

• Nebula

• Main sequence star

• Red giant

True or False: Larger, more massive stars have a LONGER lifespan than smaller less massive stars

• True

• False

Answer explanation

Larger stars burn up their fuel much faster than smaller stars.

Who was the Scientist most famous for his study of natural selection and evolution?

• Theodor Schwann

• Robert Hooke

• Charles Darwin

• Rudolf Virchow

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What is the process in which populations CHANGE over time?

• evolution

• species

• variation

• competition

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What do you call similar structures that related species have inherited from a common ancestor?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

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What do you call a characteristic that allows an organism to survive in an environment?

• variation

• adaptation

• selection

• overproduction

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Select ALL that show evidence of evolution.

• DNA

• mutations

• fossils

• skeletal structures

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What do we call structures that no longer perform their original function?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

Which of the following best describes the concept of natural selection?

• A process where organisms better adapted to their environment tend to survive and produce more offspring.

• A random change in the DNA sequence of an organism.

• The movement of individuals into or out of a population.

• The intentional breeding of organisms to produce desired traits.

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What is the significance of the fossil record in understanding evolution?

• It provides evidence of past life forms and their changes over time.

• It shows that all species have remained unchanged over millions of years.

• It proves that humans evolved from modern apes.

• It indicates that life on Earth began with the dinosaurs.

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