Primavera Biology B Unit 5: Ecology Questions With Complete Solutions
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Module
Biology B
Institution
Biology B
CHECKPOINT 22
Which describes symbiosis? correct answer: Two organisms belonging to different species live closely together and have specific interactions.
What is the most specific ecological level? correct answer: an organism
A tick feeding off the blood of a dog is an example of which ...
Primavera Biology B Unit 5: Ecology Questions
With Complete Solutions
CHECKPOINT 22 Which describes symbiosis? correct answer: Two organisms belonging to different species live closely together and have specific interactions.
What is the most specific ecological level? correct answer: an organism
A tick feeding off the blood of a dog is an example of which type of relationship? correct answer: parasitism
In which of the following situations would primary succession occur? correct answer: on an island just formed by a volcano
Which of the following describes organisms that need to obtain energy from other organisms?
Select all that apply. correct answer: heterotrophs
consumers
What term describes the conversion of inorganic carbon to organic carbon? correct answer: primary production
Approximately how much of the Earth's primary production occurs in the oceans? correct answer: 50% What are organisms that use chemical energy instead of sunlight
produce carbohydrates? correct answer: chemoautotrophs
Which type of organism feeds on waste and dead organic matter? correct answer: detritivores
CHECKPOINT 23 correct answer: What is a trophic level? correct answer: a reflection of where an
organism is in the sequence of energy transfers
Which is an illustration that shows the amount of energy contained at each trophic level? correct answer: energy pyramid
What is the name for an organism that eats producers? correct answer: primary consumer
What organisms are at the first trophic level? correct answer: organisms that use energy from the Sun
On average, how much energy is transferred from one trophic level to the next? correct answer: 10%
What would happen if a producer were removed from an ecosystem? correct answer: Less energy would be available.
What occurs in evaporation? correct answer: water changes from liquid to water vapor
How is nitrogen gas fixed biologically? correct answer: bacteria
in plant roots and soil
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