ch 22 Flashcards
Concept 22.1
The Darwinian revolution challenged traditional views of a young Earth inhabited by unchanging species.
What is a species?
The Biblical definition of a “kind”
Who invented Modern Taxonomy?
Carolus Linnaeus
Mantises illustrate three key observations about life:
- Organisms are adapted for life in their biotic and abiotic environments
- The many shared characteristics (unity) of life
- The diversity of life
What is evolution?
The process by which species accumulate differences from their ancestors as they adapt to different environments over time
What is cosmology?
The science of the origin and development of the universe
What is abiogenesis?
Refers to the scientific theory that life arose from non-living matter, like simple organic compounds, on early Earth
How does Darwin summarize evolution?
Descent with modification
What did Aristotle believe?
Species were fixed (species meaning kind)
What is scala naturae? who came up with it?
Aristotle arranged species on a scale of increasing complexity
What is design?
Purpose, planning, or intention that exists or is thought to exist behind an action, fact, or material object.
What is adaptation?
The act of changing something or changing your behavior to make it suitable for a new purpose or situation.
Explain evolution as a change