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Practice Quizzing
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1
Interactions among organisms are generally called:
A)Abiotic interactions
B)Biotic interactions
C)Behavioral interactions
D)Physiological interactions
E)Evolutionary interactions
2
The organisms most threatened with extinction are believed to be
A)Birds
B)Amphibians
C)Mammals
D)Fish
E)Reptiles
3
Community ecology focuses on:
A)The intersection of ecology and evolution
B)How the behavior of an organism contributes to its survival and reproduction
C)How organisms are physiologically adapted to their environment
D)The factors that affect population growth
E)The factors that influence the number of species in a given area
4
Chemical compounds that kill or inhibit the growth of another competing species are referred to as:
A)Secondary compounds
B)Glycosides
C)Carcinogens
D)Allelochemicals
E)None of the above
5
Which chemical was found to interfere with calcium deposition in eggs, resulting in fragile eggs and increased mortality rates of predatory birds such as eagles?
A)Pyrethrin
B)DDT
C)Rotenone
D)Glyphosate
E)None of the above
6
The main elements of global change are:
A)Habitat destruction
B)Introduced species
C)Direct exploitation
D)Pollution
E)All of the above
7
The passenger pigeon, once the most common bird in North America, was driven to extinction by
A)Pollution
B)Overharvesting
C)Habitat destruction
D)Invasive species
E)All of the above
8
The primary atmospheric gas associated with burning fossil fuels and increased global temperatures is
A)N20
B)CH4
C)CO2
D)O3
E)None of the above
9
Many frogs in Central America are threatened by extinction from a(n)
A)Invasive species
B)Virus
C)Bacteria
D)Protist
E)Fungus
10
Studies of the flow of energy and nutrients among organisms are the realm of which branch of ecology?
A)Organismal
B)Community
C)Ecosystems
D)Population
E)None of the above





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