Introduction to Evolution Lesson 2

Multiple Choice

Why was Charles Darwin's voyage on the HMS Beagle significant for the history of science?

• It was the first voyage around the world

• It led to important observations and evidence for the theory of evolution

• It was a military expedition

• It discovered new continents

Multiple Choice

Which of the following best describes an adaptation according to Darwin's observations?

• A characteristic that helps an organism survive and reproduce in its environment

• A random change in an organism's DNA

• A behavior learned from parents

• A structure that is no longer used by the organism

Open Ended

Explain how adaptations in desert plants and rainforest trees help them survive in their respective environments.

Open Ended

Why do you think these finches would have different beaks?

Fill in the Blanks

Fossils are the preserved

of an ancient organism.

Multiple Choice

Which of the following conclusions did Darwin draw from finding fossils of both extinct and living organisms?

• Organisms can go extinct and living species are likely related to ancient species

• All fossils are from species that still exist today

• Fossils are only found in deserts

• Living species are not related to ancient species

Multiple Select

Select all statements that are supported by Darwin's observations of tortoises on the Galapagos Islands.

• Tortoises on different islands had different shell shapes

• All tortoises had the same adaptations regardless of the island

• Adaptations allowed tortoises to survive only on their specific island

• Darwin did not notice any differences among tortoises

Open Ended

How did learning about Darwin's voyage and early ideas about evolution change or reinforce your understanding of how scientific theories are developed?