10 Questions
Which of the following is the fundamental unit of life?
Cell
What is the process by which a cell or organism maintains internal constancy or equilibrium?
Homeostasis
What type of organisms make their own food by extracting energy and nutrients from non-living sources?
Producers
What is the informational molecule of life that cells use to produce proteins?
DNA
What is the sum of chemical reactions that takes place in living cells, allowing organisms to acquire and use energy and nutrients to build new structures, repair old ones, and reproduce?
Metabolism
What does the Geologic Time Scale describe?
The timing and relationships between events in Earth's history
During which eon did blue green algae and bacteria exist?
Archaean eon
What does Zoology deal with?
The study of the structure, physiology, behavior, classification and distribution of animals
When did the 6th Mass Extinction occur?
In the Phanerozoic eon
According to the text, where does life exist almost everywhere?
Almost everywhere on planet earth
Explore the evolutionary history and diversity of animal life on Earth, including the geologic time scale and the Precambrian Supereon. Learn about the origins and development of species over the past 500 million years.
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