Evolution: The Evidence

The video explains the theory of evolution by natural selection, highlighting its simplicity and revolutionary impact on biology. It presents evidence from fossils, comparative anatomy, and genetics, showing how species have evolved over time. The video also illustrates evolution in action through examples like the peppered moth, emphasizing the theory's role in unifying biological observations.

What makes the concept of natural selection revolutionary?

• It contradicts all other biological theories.

• It was discovered in the 21st century.

• It unifies and makes sense of the natural world.

• It is complex and difficult to understand.

Which order do the fossil records show the appearance of life forms?

• Fish, amphibians, reptiles, mammals

• Reptiles, mammals, fish, amphibians

• Mammals, reptiles, amphibians, fish

• Amphibians, fish, mammals, reptiles

What do similarities in the forelimbs of different species suggest?

• They share a common ancestor despite having different functions.

• They evolved independently without any common ancestor.

• They have no evolutionary significance.

• They are identical in structure and function.

How does the genetic code provide evidence for evolution?

• It shows no similarities between different species.

• It indicates a branching tree of relatedness from a common ancestor.

• It is unique to each species with no common patterns.

• It remains unchanged across all species.

What environmental change led to the color change in the peppered moth?

• An increase in predators

• A decrease in tree population

• Industrial pollution darkening the trees

• A change in climate