Major Evolutionary Transitions Quiz

What is considered a major evolutionary transition?

• The extinction of a species

• A slight change in limb structure

• A significant increase in complexity

• The emergence of new species

What was the significant discovery about mitochondria?

• They were once free-living bacteria

• They are unique to plant cells

• They are just parts of the cell

• They are responsible for cell division

What are viroids?

• A type of virus

• Single, free-living genes

• A type of bacteria

• Complex multicellular organisms

What is the significance of the four layers of life in humans?

• They are unrelated to evolution

• They indicate the simplicity of human cells

• They show the complexity of human evolution

• They represent different species

What initiates a major evolutionary transition?

• Genetic mutations

• Competition among species

• Cooperation among organisms

• Environmental changes

What was the outcome of the 1998 experiment with protists and algae?

• Protists developed new feeding habits

• Algae became extinct

• Algae evolved multicellular cooperation

• Protists evolved into multicellular organisms

How did the 2011 yeast experiment demonstrate evolutionary transitions?

• Yeast cells developed new colors

• Yeast cells became larger

• Yeast cells stopped reproducing

• Yeast cells evolved division of labor

What is a superorganism?

• An organism with multiple heads

• A genetically modified organism

• A group of organisms functioning as one

• A single large organism

What role does cooperation play in evolutionary transitions?

• It hinders evolution

• It facilitates the formation of new organisms

• It has no impact

• It accelerates extinction

Which insect species have undergone an extra evolutionary transition?

• Mosquitoes

• Butterflies

• Dragonflies

• Ants and bees