BIO 316 study guide 2; Questions and Answers 100% Correct
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Course
BIO 316
Institution
BIO 316
BIO 316 study guide 2; Questions and Answers
100% Correct
Fitness is not randomly assigned; it is tied to variation.
- # of offspring produced
- survival Correct answer-What are the two components of fitness when describing
fitness in terms of natural selection?
1. Genetic variation
2. Inh...
BIO 316 study guide 2; Questions and Answers
100% Correct
Fitness is not randomly assigned; it is tied to variation.
- # of offspring produced
- survival Correct answer-What are the two components of fitness when describing
fitness in terms of natural selection?
1. Genetic variation
2. Inheritable
3. More offspring are produced than can survive
4. Fitness Correct answer-List the four conditions for natural selection.
Fundamental niche: the physical conditions under which a species might live
Realized niche: How the species is limited by biotic interactions within the fundamental niche
Correct answer-Explain the difference between a fundamental and realized niche
(BECIPI) Correct answer-Put the levels of biological organization in order (Individual,
Population, Interactions, Community, Ecosystem, Biosphere)
The interactions of organisms with other organisms and the environment. Abiotic/biotic
Correct answer-Define ecology
, BIO 316 study guide 2; Questions and Answers
100% Correct
See chapter 9 notes
equation to use:
Clumped: higher probability of being found in some areas than in others. *individuals attracted
to each other. *resource patchy in environment. (clumped variance >mean, or
variance/mean>1)
Regular/uniform: individuals uniformly spaced. *avoid each other or claim exclusive use of a
patch. *uniform distribution of resources. (regular variance < mean, or variance/mean<1)
Random: individuals with a population have a equal chance of living anywhere in area.
*individuals within population ignore each other. *random disturbances in the environment.
*resource are randomly distributed. (random variance =mean, or variance/mean=1)
Correct answer-Be able to calculate the mean and variance for a population of surveyed
organisms. From the mean and variance describe the population distribution. Recognize and
name clumped, random, and uniform/regular patterns of distribution.
Type 1: juvenile survival. Higher mortality rate for older. Example: Humans
Type 2: constant morality. Die at equal rates regardless of age. Example: Songbird
Type 3: high mortality rate. High mortality young, low mortality for old. Example: fish/insect
Correct answer-Recognize and name the 3 types of survivorship curves. Explain the
patterns in the curves and give an example of an organism for each type.
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