Podcast
Questions and Answers
Which of the following is considered a technical question about life?
Which of the following is considered a technical question about life?
- Why do organisms die?
- What makes humans special?
- What is living as opposed to non-living? (correct)
- What is the meaning of life?
What is the range of the number of known and described species?
What is the range of the number of known and described species?
- 1.0-1.2 million
- 1.7-1.8 million (correct)
- 2.7-2.8 million
- 2.0-2.2 million
Which of the following evokes a sense of wonder?
Which of the following evokes a sense of wonder?
- Attacking shark
- Migrating Birds
- Valley of flowers
- All of the above (correct)
What would happen if you increased the area you observe?
What would happen if you increased the area you observe?
What does each different kind of plant, animal, or organism represent?
What does each different kind of plant, animal, or organism represent?
Where can living organisms be found?
Where can living organisms be found?
What does the number and types of species in an area refer to?
What does the number and types of species in an area refer to?
Which of the following questions will scientists NOT attempt to answer?
Which of the following questions will scientists NOT attempt to answer?
Which topic was ERNST MAYR's research NOT span?
Which topic was ERNST MAYR's research NOT span?
What did a dense forest contain?
What did a dense forest contain?
Flashcards
Living World
Living World
The amazing range of living types and the extraordinary habitats where living organisms are found.
Two Questions About Life
Two Questions About Life
The first is technical, distinguishing living from non-living. The second is philosophical, exploring life's purpose.
Diversity in the Living World
Diversity in the Living World
The variety of living organisms in a specific area.
Species
Species
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Biodiversity
Biodiversity
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Species Range
Species Range
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Study Notes
- If G is an abelian group, then G is a ℤ-module.
Z/nZ-modules
- If G is an abelian group, then G is a ℤ/nℤ-module if n ⋅ x = 0 for all x ∈ G.
- G = ℤ/nℤ is a ℤ/nℤ-module and a ℤ-module.
- Let G = {all n-torsion elements of A}, where A is an abelian group, G = {x ∈ A | nx = 0}.
Z-algebras
- A ring R is a ℤ-algebra if there is a ring homomorphism φ: ℤ → R.
Morphism of Z-algebras:
- Let R, S be ℤ-algebras.
- A morphism of ℤ-algebras is a ring homomorphism f: R → S such that the following diagram commutes:
R
^ |
f | | phi_S
| v
S
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