Module 2- Principles Of Ecology Test Review Question Preview (ID: 60345)
Module 2 Assessment Review.
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A large school of barracuda is an example of
a) biological community
b) biome
c) population
d) organism
A barracuda
a) biological community
b) biome
c) population
d) organism
What is parasitism?
a) one organism benefits and the other organism is unaffected
b) symbiotic relationship in which both organisms benefit
c) one organism benefits and one is harmed
d)
The amount of oxygen in a fish tank is a ____________ that affects the amount of fish that can live in the tank.
a) primary succession
b) tolerating factor
c) limiting factor
d) end point
What is commensalism?
a) both organisms benefit
b) one organism benefits and one is harmed
c) one organism benefits and the other organism is unaffected
d)
What is a trophic level?
a) each step in a food chain or food web
b) model that shows many interconnected food chains and pathways in which energy and matter flow through an ecosystem
c) simplified model that shows a single path for energy flow through an ecosystem
d)
What process involves the capture and conversion of nitrogen into a form useable by plants?
a) phosphate cycle
b) nitrogen fixation
c) condensation
d) dinitritification
What is the biosphere?
a) biological community and all the nonliving factors that affect it
b) the relatively thin layer of Earth and its atmosphere that supports life
c) physical area where an organism lives
d) all the interacting populations that live in the same geographic location at the same time
In the nitrogen cycle, nitrogen is continuously recycled. Which type of organisms break down nitrogen compounds in dead organisms and recycle them into the soil?
a) green plants
b) autotrophs
c) herbivores
d) bacteria
What is released at each level of a pyramid of energy?
a) plants
b) decomposers
c) animals
d) heat
A biotic or abiotic factor that restricts the numbers of organisms in an ecosystem is called a ______
a) primary succession
b) tolerating factor
c) limiting factor
d) end point
Suppose two leaf-eating species of animals live in a habitat where there is a severe drought and many plants die as a result. Which term describes the kind of relationship the two species probably will have?
a) Predator-Prey
b) Abitoic
c) Symbiotic
d) Competitive
Ecologists often use modeling, instead of field studies, because it __
a) allows them to control all of the variables involved
b) is less expensive than working in the field
c) lets them study many organisms at once
d) helps them collect more samples
Which is an example of mutualism?
a) a peacock courting and mating with a peahen
b) crayfish and minnows resting under the same rock
c) two snake species with similar markings advertising their toxic venom
d) a fish protecting a shrimp, who builds a burrow for the pair to share
How can detritivores be beneficial to the environment?
a) provide food for autotrophs
b) facilitate photosynthesis in plants
c) allow predation to occur
d) rid waste and dead matter
Jason is watching a science fiction movie when he hears one of the characters mention the term biosphere. Jason has never heard the term before and decides to look it up in a dictionary. Which would be included in the definition of biosphere?
a) the living things that inhabit earth
b) all parts of Earth where life can survive
c) the inner core, continents, and oceans of the Earth
d) regions of the Earth where many organisms live
Which is an abiotic factor?
a) an ocean current of cold water
b) a polar bear on an ice floe
c) fungi and moss on a rotting log
d) a forest of deciduous trees
All the populations of organisms that interact with each other in the same region
a) biological community
b) biome
c) population
d) organism
Coyotes eat mice and rabbits. This is an example of
a) competition
b) parasitism
c) predation
d) commensalism
Which of these is Biotic
a) temperature
b) water
c) plants
d) soil
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