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Bio 115 (Exam 4 Questions)correctly answered

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Bio 115 (Exam 4 Questions)correctly answered

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  • October 31, 2024
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  • Exam (elaborations)
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  • Bio 115
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BravelRadon
Bio 115 (Exam 4 Questions)correctly
answered

Ecology is the study of _____. - correct answer ✔✔Interactions between organisms and their
environments



Which of the following is abiotic? - correct answer ✔✔A rock



If you study how two species of finches compete for food, you are trying to answer a question about
_____. - correct answer ✔✔Community ecology



What is a population? - correct answer ✔✔A group of organisms of the same species living in a
particular geographic area producing viable offspring



Which of the following organisms are not ultimately dependent on sunlight for energy? - correct answer
✔✔Species that live in hydrothermal vent habitats



Which nutrients often limit the distribution and abundance of photosynthetic organisms? - correct
answer ✔✔Nitrogen and phosphorus



Which of the following is a behavioral response to environmental variability? - correct answer
✔✔Migrating to a different location



In an aquatic ecosystem, what name is given to the region where photosynthesis can occur? - correct
answer ✔✔Photic zone



What are estuaries? - correct answer ✔✔A transition area between a river and the ocean



What is brackish water? - correct answer ✔✔Water between 1 and 3% salinity

, The Sahara Desert and the Negev Desert belong to the same _____. - correct answer ✔✔Biome



Which of these is a characteristic of Type I survivorship? - correct answer ✔✔Most individuals survive to
older age intervals



If there are 500 oak trees in a forest covering 50 square kilometers then the population density is -
correct answer ✔✔10 trees per square kilometer



In an ideal, unlimited environment, a population's growth follows a(n) _____ model. - correct answer
✔✔Exponential



_____ is the maximum population size a particular habitat can support. - correct answer ✔✔Carrying
capacity



Competition among individuals of the same species is _____ competition. - correct answer
✔✔Intraspecific



An unexpected freeze that kills a population of chipmunks is an example of _____. - correct answer ✔✔A
density-independent factor



The red-cockaded woodpecker, an endangered species, is dependent upon _____ for maintenance of its
source habitat. - correct answer ✔✔Fire



Non-native species can have important effects on biological communities by _____. - correct answer
✔✔Doing all of the above (preying upon native species, competing with native species for resources,
and reducing biodiversity)



The intentional release of a natural enemy to attack a pest population is called _____. - correct answer
✔✔Biological control



An example of a mutualism, or +/+ relationship is _____. - correct answer ✔✔The relationship between
corals and unicellular algae

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