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Questions and Answers
What is the primary focus of ecology?
What is the primary focus of ecology?
Suspension and expulsion are possible consequences of academic dishonesty at UCSB.
Suspension and expulsion are possible consequences of academic dishonesty at UCSB.
True
What was the focus of Ronald Ross's work in ecology?
What was the focus of Ronald Ross's work in ecology?
Mathematical model of the spread of infectious disease
Farr’s rule relates population ________ to mortality rates.
Farr’s rule relates population ________ to mortality rates.
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Match the following ecologists with their contributions:
Match the following ecologists with their contributions:
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Which components are covered in the Ecology section of EEMB 2?
Which components are covered in the Ecology section of EEMB 2?
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EEMB 2 students must take both the evolution and ecology exams.
EEMB 2 students must take both the evolution and ecology exams.
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What is the total number of points for grading in EEMB 2?
What is the total number of points for grading in EEMB 2?
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The course format includes _____ lectures that are recorded and posted online.
The course format includes _____ lectures that are recorded and posted online.
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Match the following course components with their descriptions:
Match the following course components with their descriptions:
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How many problem sets do students need to complete in EEMB 2?
How many problem sets do students need to complete in EEMB 2?
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Office hours are conducted in person and do not require any prior appointment to attend.
Office hours are conducted in person and do not require any prior appointment to attend.
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Who should Z students contact if they have questions regarding the exams?
Who should Z students contact if they have questions regarding the exams?
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Who is considered one of the founders of modern ecology?
Who is considered one of the founders of modern ecology?
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Until 1960, ecology was regarded as a significant science by the general population.
Until 1960, ecology was regarded as a significant science by the general population.
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What are the two main types of components in an environment?
What are the two main types of components in an environment?
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A group of individuals of the same species living in the same geographical area is called a _____
A group of individuals of the same species living in the same geographical area is called a _____
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Match the following levels of biological organization with their definitions:
Match the following levels of biological organization with their definitions:
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Which statement is correct about ecological scales?
Which statement is correct about ecological scales?
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The biosphere includes both living organisms and their physical environment.
The biosphere includes both living organisms and their physical environment.
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What type of factors are abiotic components?
What type of factors are abiotic components?
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What level of explanation in ecology focuses on interactions among organisms?
What level of explanation in ecology focuses on interactions among organisms?
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Ecological evidence can only be gathered through laboratory experiments.
Ecological evidence can only be gathered through laboratory experiments.
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What is the significance of a P-value less than 0.05 in hypothesis testing?
What is the significance of a P-value less than 0.05 in hypothesis testing?
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Ecological levels of explanation operate at longer time scales and larger spatial scales than __________ mechanisms.
Ecological levels of explanation operate at longer time scales and larger spatial scales than __________ mechanisms.
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Match the following ecological evidence methods with their descriptions:
Match the following ecological evidence methods with their descriptions:
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Which concept refers to the estimation of population parameters in ecology?
Which concept refers to the estimation of population parameters in ecology?
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Statistical approaches in ecology help in obtaining random samples to reduce sampling error.
Statistical approaches in ecology help in obtaining random samples to reduce sampling error.
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What is the goal of ecology?
What is the goal of ecology?
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What is needed to determine the probability of getting a value greater than 75?
What is needed to determine the probability of getting a value greater than 75?
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In a normal distribution, 50% of the data falls on either side of the mean.
In a normal distribution, 50% of the data falls on either side of the mean.
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What statistical measure is used to control the spread of a normally distributed dataset?
What statistical measure is used to control the spread of a normally distributed dataset?
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The probability of getting a value of 75 or greater in the left plot is approximately _____ (use decimal form).
The probability of getting a value of 75 or greater in the left plot is approximately _____ (use decimal form).
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What is represented by the Z-test statistic in relation to a sample group's mean?
What is represented by the Z-test statistic in relation to a sample group's mean?
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Biological data such as height is often normally distributed.
Biological data such as height is often normally distributed.
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How many termites does the single troop capture on average, according to the practice question?
How many termites does the single troop capture on average, according to the practice question?
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Match the statistical concepts with their definitions:
Match the statistical concepts with their definitions:
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What is the formula for calculating the standard error ($ackslash sigma_{p}^{^}$)?
What is the formula for calculating the standard error ($ackslash sigma_{p}^{^}$)?
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The null hypothesis states that there is no difference in capturing ability among different troops.
The null hypothesis states that there is no difference in capturing ability among different troops.
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What is the population mean of termite captures by chimpanzees in the Congo?
What is the population mean of termite captures by chimpanzees in the Congo?
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The standard deviation in the given scenario for termite capturing is ___.
The standard deviation in the given scenario for termite capturing is ___.
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How many termites did the single troop of chimpanzees collect on average?
How many termites did the single troop of chimpanzees collect on average?
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Match the following terms with their definitions:
Match the following terms with their definitions:
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A Z-score is calculated by dividing the difference between the sample mean and population mean by the standard error.
A Z-score is calculated by dividing the difference between the sample mean and population mean by the standard error.
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What is the Z-score for the troop if they capture an average of 96 termites?
What is the Z-score for the troop if they capture an average of 96 termites?
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Study Notes
Course Information
- Course Title: Introductory Biology II - EEMB 2 (Introduction to Evolution & Ecology)
- Course Year: Winter 2025
- Instructors: Dr. Thomas Even and Dr. John Latto
- Academic Coordinator: Dr. Alice Nguyen ([email protected])
- Office Hours: Tuesdays and Thursdays 2:00-3:00 PM, and by appointment via Zoom ([email protected])
- Course Website: https://www.canvas.ucsb.edu (Canvas is the interactive hub for course materials, syllabus, recorded lectures, lecture slides, problem sets, study guides, practice questions, and office hour links)
Course Goals and Sections
- Course Goals: Introduction to population & community ecology, and evolution. (Detailed learning objectives available in the syllabus)
- Ecology Section: Distribution of populations and communities, population growth and regulation, species interactions, community structure and dynamics, and species diversity.
- Evolution Section: Microevolution, speciation, and macroevolution (adaptation, variation, natural selection, gene flow, genetic drift, reproductive isolation, and species formation).
- EEMB 2 Z Students (Transfer Students): All Z students must take either the evolution or ecology exam. Consult Ms. Nguyen for any questions.
Course Format
- All materials on Canvas.
- In-person Lectures (synchronous): Then recorded and posted to Gauchocast (asynchronous)
- Problem Sets (asynchronous): Three ecology problem sets and three evolution problem sets, with specific due dates listed in the syllabus.
- Office Hours (synchronous): Two per week via Zoom; check the syllabus for specific days and times.
- Examinations (synchronous): Midterm and final exams delivered online via Canvas quiz function during regularly scheduled lecture time.
Grading
- Total Points: 220 points.
- Midterm Exam: 100 points (non-cumulative, multiple choice with some mathematical calculations).
- Final Exam: 100 points (non-cumulative, multiple choice with some mathematical calculations).
- Computation Sets: 6 sets (3 ecology, 3 evolution), 3 points per set, totals 18.
- Survey Questions: 2 points total (1 point per question).
Make-up Policy
- Contact Dr. Nguyen within 24 hours to request a make-up exam. Verification of illness or an emergency is needed. Check with Dr. Nguyen immediately if there are problems with exam dates.
Academic Conduct
- Standard UCSB policy applies. Cheating will result in failing grades, suspension, or expulsion.
Reading Material
- Campbell Biology 12th edition (e-book or hardcopy). Assigned readings are listed in the syllabus.
Lecture Schedule (Partial)
- January 7 (Ecology: Patterns and Processes)
- January 9 (Distribution of populations & communities)
- January 14, 16, 21 (Patterns of population growth)
- January 23 (Species interactions: competition)
- January 28 (Species interactions: predation/herbivory)
- January 30 (Structure of ecological communities)
- February 4 (Patterns of species diversity)
- February 6 (Midterm Examination)
Additional Topics
- Ecology (Definition): The study of the distribution and abundance of organisms, and the factors and interactions that determine distribution and abundance (Where are they? How many are there? Why?).
- History of Ecology (Early influences) - Hunters and gatherers, Aristotle (350 BC - Historia Animalium), Herodotus & Plato (Providential Ecology).
- History of Ecology (Later influences) - Graunt (1662), Leeuwenhoek (1687), Buffon (1756), Malthus (1798), Quetelet (1835), Verhulst (1838), Farr (1843), Edward Forbes (1887), Henry Cowles (1899), Ronald Ross (1908), A.G. Tansley (1904), F. E. Clements (1905), Charles Elton (1927), Rachel Carson (1962).
- Environmental Components: Abiotic (non-living) factors (temperature, light, nutrients, water), and Biotic (living) factors (other organisms, competition, predation). Interactions between Abiotic and Biotic components (Organisms are affected by the environment, and their presence/activities change the environment).
- Biological Scales: Levels of biological organization (from molecules to biosphere). Spatial and temporal scales of Ecology.
- Ecological Scales: Definitions: Organism, Population, Community, Ecosystem, Biosphere.
- Levels of Explanation (Mechanisms): Biosphere, Ecosystem, Community, Population, Organism, Tissue, Cells, Organelle, Molecule.
- Ecological Evidence: Observation, Manipulative field experiments, Controlled laboratory experiments, Mathematical models. The goal of ecology is to observe patterns, describe processes, and use this information to predict, manage, and control.
- Statistical Approaches in Ecology: Statistics for estimates of population parameters, Random sampling, application of statistics for level of confidence, Z-tests, Hypothesis testing (null hypothesis, P-values, significance testing in ecology). Normal Distribution, Frequency Distributions, Examples. Key terms like "datum" (sample mean), "μ" (population mean), "σ" (standard error).
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Description
This quiz focuses on key concepts and components of ecology as taught in EEMB 2. It covers topics such as significant ecologists, important ecological rules, and course requirements. Test your knowledge on ecological principles and the grading structure of the course.
