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ecology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
the branch of biology dealing with interactions among organisms and between organisms and their environment is called?   ecology  
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The part of earth in which all loving things exist is the?   biosphere  
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All of the members of a particular species that live in one area are called a?   population  
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Which of the following descriptions about the organization of an ecosystem is correct?   Species make up populations, which make up communities  
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The simplest grouping of more than one kind of organism in the biosphere is?   community  
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Populations in a community and the living and nonliving factors with which they interact   ecosystem  
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Green plants are?   producers  
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Which is the original source of almost all the energy in most ecosystems?   sunlight  
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Algae in the beginning of a food chain is the?   producer  
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An organism that cannot make its own food is called a?   heterotroph  
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Organisms that break down and feed on wastes and dead organisms are called?   decomposers  
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What is an organism that feeds only on plants called?   herbivore  
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What animals eat both producers and consumers?   omnivores  
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What is the term for each step in the transfer of energy and matter within a biological community?   trophic level  
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All the interconnected feeding relationships in an ecosystem make up a food?   web  
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A bird stalks, kills, then eats an insect. Based on its behavior, which ecological terms describe the bird?   Carnivore, consumer  
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Each of the following is an abiotic factor in the environment EXCEPT   Plant life  
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An Organisms niche is   the way the organism uses the range of physical and biological conditions in which it lives  
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An interaction in which one organism captures and feeds on another organism is called a?   predator  
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A symbiosis in which both species benefit is   mutualism  
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The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of?   mutualism because the flower provides the insect with food, and the insect pollinates the flower  
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The sequence of energy flow through a food chain is?   producers; primary consumers; higher order consumers  
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In terrestrial ecosystem, the trophic level that would contain the largest biomass would be the?   producers  
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what organisms below would be considered secondary consumers?   ducks and mice  
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