Evidence for Evolution - Factsheet Questions

What happens to the decomposition of organisms when they become fossils?

• It increases rapidly

• It stops completely

• It decreases significantly

• It remains the same

What is the main characteristic of homologous structures?

• They have the same skeletal elements but different functions.

• They have the same function but different internal anatomy.

• They are identical in both structure and function.

• They are used to classify organisms based on their diet.

Homologous structures result from which type of evolution?

• Divergent evolution.

• Convergent evolution.

• Parallel evolution.

• Co-evolution.

Which of the following is NOT an example of a homologous structure?

• The arm of a human.

• The foreleg of a cat.

• The wing of a butterfly.

• The fin of a whale.

What is the main characteristic of analogous structures?

• They have the same function but different internal anatomy.

• They have the same skeletal elements but different functions.

• They are identical in both structure and function.

• They are used to classify organisms based on their diet.

What is the function of the fin of a shark, the wing of a penguin, and the flipper of a dolphin?

• They all serve the same function.

• They all have different functions.

• They are used for flying.

• They are used for grasping.

What has comparing sections of DNA in different species shown?

• All species have completely different DNA

• Different species have large sections of identical DNA

• DNA is unique to each species

• DNA cannot be compared across species

What percentage of genes do humans and chimpanzees share?

• 50%

• 75%

• 96%

• 100%

What is species distribution?

• The study of animal behavior

• The places where species live

• The diet of different species

• The lifespan of species

What theory was supported by the distribution of fossils of particular species?

• Theory of evolution

• Theory of natural selection

• Theory of the movement of the Earth's tectonic plates

• Theory of genetic drift