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Bio 206 Final Exam Prep Questions and Answers (Success)
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Bio 206 Final Exam Prep Questions and Answers (Success)
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©PREP4EXAMS@2024 [REAL EXAM DUMPS] Tuesday, July 23, 2024 10:52 AMBio 206 Final Exam Prep Questions and Answers (Success)
Interference Competition - ✔️✔️The direct interference of accessing resources, does not have to
do with limited resources. (Ex. Vines overgrowing trees limiting sunlight)
Exploitative Competition - ✔️✔️The indirect interference of a limited resource, two species
sharing the same resource (food). Can lower growth rates and lead to extinction. Only applied
when limited resource.
Amensalism - ✔️✔️When one species has a negative effect on another species but the harmed
species has no effect on the powerful species
*** KEY IDEA*** if there is competition due to the same thing one will be better at
reproducing and more efficient at feeding and will overtake the other species***
Character Displacement - ✔️✔️Evolutionary change in a species TRAITS that enables niche
differentiation
niche differentiation - ✔️✔️an evolutionary change in resource use, caused by competition
competitive exclusion - ✔️✔️theory that states that no two species cannot occupy the same niche
at the same time. One species will eventually be better at using resources to reproduce = higher
fitness.
Assymetry - ✔️✔️Two species that use the same resources, the more they use the same resources
the stronger the negative effect on their fitness
Do predators drive prey entict? - ✔️✔️Vary rarely due to defense mechanisms and a predators
need to find other sources of food when a prey population depletes.
constitutive defenses - ✔️✔️defensive traits by plants or prey that are always on even when there
are no herbivores or predators
inducible defenses - ✔️✔️physical, chemical, or behavioral defensive traits that are induced in the
prey in response to the presence of a predator, not always on due to the expense of resources and
energy that are limited
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, ©PREP4EXAMS@2024 [REAL EXAM DUMPS] Tuesday, July 23, 2024 10:52 AM
Coevolution - ✔️✔️the reciprocal influence of closely associated species on each other in their
evolution. One positive fitness and traits determines the species natural selection
Paratism - ✔️✔️an brood organism or species that lives in at at another host and imposes costs on
them (brood species doesn't belong
specialist parasites - ✔️✔️species that target a certain species in order to mimic their eggs in hopes
the host species will raise it. Host species are good at detecting imposter but broof species good
at mimicry.
Generalist parasites - ✔️✔️lay eggs or place themselves where ever they want without any
particular motive, have no mimicry or specialized egg.
Interspecific mutualism - ✔️✔️mutual benefits between two species where the benefits MUST out
way the costs
Inclusive fitness - ✔️✔️=direct + indirect fitness
Indirect fitness - ✔️✔️the reproductive success of relatives due to your own actions
Direct fitness - ✔️✔️Your own reproductive success over your lifetime
Hamilton's Rule - ✔️✔️self behave exists when (benefit of recipient + coefficient relatedness >
cost to donor)
Kin selection - ✔️✔️Natural selection that favors alleles that increase the reproductive success or
relatives (indirect fitness)
Reciprocity - ✔️✔️The idea that cooperative or altruistic behavior is favored due to possible future
mutual interactions. (you must give to get)
Commensalism - ✔️✔️a relationship between two individuals where one species is benefitting and
the other is unaffected
Community - ✔️✔️association of interacting species inhabiting a given area, limited by
boundaries or capability
Community Structure - ✔️✔️The species that are present, their abundance, distribution and
interactions
Gini Simpson Index - ✔️✔️probability that two randomly selected individuals in the community
do not belong to the same species
species richness - ✔️✔️the number of species in a community
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