Biological Evolution Quiz

What is biological evolution?

• The change in an ecosystem's structure over centuries

• The change in an individual's traits over its lifespan

• The change in a population's inherited traits over generations

• The change in an organism's behavior over time

Which of the following is not a mechanism of evolution?

• Gene flow

• Competition

• Genetic drift

• Mutation

What is the term for a similarity due to shared common ancestry?

• Vestigial structure

• Homology

• Genetic drift

• Analogous structure

What is radiometric dating used for in the study of fossils?

• To determine the age of the fossil

• To analyze the DNA of the fossil

• To identify the geographical location of the fossil

• To study the behavior of the fossilized organism

What does biogeography study?

• The behavior of organisms in their natural habitat

• The impact of climate change on ecosystems

• The distribution of organisms geographically

• The genetic makeup of organisms

Which of the following is an example of a vestigial structure?

• Claw on a chicken's wing

• Bird wing

• Human arm

• Dog forelimb

What does natural selection act upon in a population?

• The individuals with the most offspring

• The strongest individuals

• The inherited traits of the individuals

• The most intelligent individuals

What is the main focus of the video?

• The misconceptions about evolution

• The definition of biological evolution and its mechanisms

• The vocabulary used in casual conversation

• The complexity of products in biology

What is the term for the change in the genetic makeup of a population due to a random chance event?

• Gene flow

• Genetic drift

• Competition

• Mutation

What does the word 'fitness' refer to in biology?

• The number of offspring produced

• The lifespan of the organism

• The strength of the organism

• The intelligence of the organism