Podcast
Questions and Answers
Which of the following best describes the meaning of 'dichotomous'?
Which of the following best describes the meaning of 'dichotomous'?
- Related to evolutionary history
- Divided into two parts (correct)
- A system of hierarchical classification
- Multiple overlapping categories
What best describes 'phylogeny'?
What best describes 'phylogeny'?
- The process of dividing organisms into two groups
- A descriptive analysis of specific characteristics
- The study of naming organisms
- The evolutionary history or lineage of an organism (correct)
Which of these is NOT a good criteria for a dichotomous key?
Which of these is NOT a good criteria for a dichotomous key?
- Constant characteristics
- Observable measurements
- Precise measurements
- Variable Characteristics (correct)
What is the primary purpose of a dichotomous key?
What is the primary purpose of a dichotomous key?
Which of the following is NOT one of the stated professional skills that can be developed in the lab?
Which of the following is NOT one of the stated professional skills that can be developed in the lab?
Flashcards
Phylogeny
Phylogeny
The study of the evolutionary history and relationships of organisms.
Dichotomous key
Dichotomous key
A tool used to identify unknown organisms by following a series of paired choices (dichotomies).
Good criteria for a dichotomous key
Good criteria for a dichotomous key
Characteristics that are constant, easily observable, and measurable, allowing for reliable identification.
Biodiversity
Biodiversity
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Taxonomy
Taxonomy
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Study Notes
Instructor Information
- Instructor: Julia Sonn
- Email: [email protected]
- Office hours: By appointment
Key Concepts
- Dichotomous: Divided into two parts
- Taxonomy: Describes, names, and classifies organisms.
- Phylogeny: Evolutionary history or lineage of organisms.
Laboratory Learning Outcomes
- Describe how variation leads to biodiversity.
- Synthesize observations.
- Construct keys to understand evolutionary relationships.
- Apply techniques for examining organisms.
- Identify how the diversity of life relates to you.
Professional Skills Developed
- Observation and examination of living things.
- Comparison of differences and similarities.
- Identification of patterns.
- Understanding methods for organizing/ordering information.
Dichotomous Keys
- Function: Identify items in the natural world.
- Good Criteria: Precise measurements, constant characteristics, observable measurements.
- Use: Use one organism at a time, carefully read all choices, and use a glossary if needed.
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