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FEU High School 1st Semester 2023-2024: Lesson 12 - The Process of Evolution

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FEU High School 1st Semester 2023-2024: Lesson 12 - The Process of Evolution

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Questions and Answers

What did paleontologists collect as evidence to show a slow process of change in organisms that inhabited the Earth in the past?

Volcanic rock formations

Meteorite fragments

Fossils (correct)

DNA samples

What do scientists suspect gave rise to all species as early as the 1900s?

Genetic mutations

Natural disasters

Some kind of change (correct)

Intervention by extraterrestrial beings

How did organisms evolve through time?

By migration to different continents

By changing their morphological appearances due to environmental factors, interactions, and adaptations (correct)

By hibernating for long periods

By forming symbiotic relationships with other species

What is the basis of the present system of classification of organisms?

Evolutionary relationships Signup and view all the answers

What was believed to have happened to modern organisms according to the evidence collected by paleontologists?

Descended from early organisms through evolution Signup and view all the answers

Why did animals and plants change their morphological appearances according to the text?

Due to their environment, interactions, and adaptations made to survive Signup and view all the answers

What did Charles Darwin articulate as the tenets of the Theory of Evolution?

Descent with modification from a common ancestor and natural selection as the mechanism for descent with modification Signup and view all the answers

What provides evidence of when organisms lived on Earth, how species have evolved, and how some species have gone extinct?

Fossil record Signup and view all the answers

What do fossils mainly consist of?

Mineralized or hardened traces of dead organisms Signup and view all the answers

What do transitional species in the fossil record demonstrate?

Evolutionary change from ancestral organisms to present-day ones Signup and view all the answers

What does the comparison of how organisms are put together provide evidence for?

Evolution Signup and view all the answers

What is the role of genetic drift in evolution?

Creating new variations within a population Signup and view all the answers

What does the concept of descent with modification refer to?

Changes in species over generations due to heritable variations Signup and view all the answers

What is the main mechanism for descent with modification according to Charles Darwin's theory?

Natural selection acting on heritable traits Signup and view all the answers

How do fossils provide evidence for evolution?

Documenting the patterns of evolution from ancestral to present-day organisms Signup and view all the answers

What is the purpose of comparative anatomy in understanding evolution?

Providing important evidence for evolutionary relationships among different species Signup and view all the answers