CH 10: Representations of Life's History

When did the first true plants with vascular systems to transport nutrients emerge?

What is the significance of the Cambrian Explosion in relation to vertebrates?

Which is NOT a division of the geological timescale?

How did continental drift impact the distribution and evolution of organisms?

What is the main feature that distinguishes eras from eons in the geological timescale?

During which geological event did invertebrates arise?

What theory is supported by evidence from fossil records and studies of the Earth's crust?

What marked a period of rapid diversification known as the Cambrian Explosion?

Approximately when did the first life forms emerge on Earth?

What type of organisms were the first life forms on Earth?

When did certain bacteria evolve the ability to perform photosynthesis?

What are cells called that contain a nucleus and other organelles?

When did more complex cells called eukaryotes evolve?

When did the first multicellular organisms develop?

What did the evolution of photosynthesis lead to?

What marked a significant turning point in the evolution of Earth's atmosphere?

Which type of cells contain a nucleus and compartmentalized organelles?

What type of organisms were the first life forms to emerge around 3.5 billion years ago?

Around what time period did the first multicellular organisms develop?

What pivotal process led to the oxygenation of Earth's atmosphere?

Which event involved the development of more complex cells with a nucleus and organelles?

What was a key outcome of certain bacteria evolving the ability to perform photosynthesis?

What was the primary characteristic of the first organisms to live in water?

What event led to the emergence of vertebrates?

What is the largest unit of time on the geological timescale?

What was the single landmass that broke apart due to continental drift?

What influenced the distribution and evolution of organisms according to the theory of continental drift?

Approximately how many years ago did the first true plants with vascular systems emerge?

What is subdivided into eras on the geological timescale?

What is a characteristic that distinguishes periods from eras on the geological timescale?

When did the evolution of photosynthesis occur?

What was the main outcome of the rise of eukaryotes?

When did the emergence of multicellular life occur?

What characterized the first life forms to emerge on Earth?

What is the significance of the evolution of photosynthesis?

Which event led to the development of more complex cells containing a nucleus and organelles?

Approximately when did certain bacteria evolve the ability to perform photosynthesis?

What is the primary reason for the emergence of vertebrates and invertebrates during the Cambrian Explosion?

What is the main factor that influenced the distribution and evolution of organisms according to the theory of continental drift?

What is the characteristic that distinguishes eons from eras on the geological timescale?

What was the primary outcome of the breakup of the single landmass Pangea?

During which geological event did algae, the precursors to plants, emerge?

What is the primary reason for the subdivision of eras into periods on the geological timescale?

What is the significance of the emergence of invertebrates and vertebrates during the Cambrian Explosion?