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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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Bio 115 (Exam 4 Questions)correctlyanswered
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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