9896235
Descripción
Test por Tracy Rains, actualizado hace más de 1 año
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Creado por Tracy Rains
hace alrededor de 7 años
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Pregunta 1
Pregunta
Which of the following is most likely a decomposer?
Respuesta
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grass
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bacteria
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water
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bird
Pregunta 2
Pregunta
The term “primary consumer” is used to define an organism that
Respuesta
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eats only plants for energy
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eats only animals for energy
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makes its own food for energy
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doesn’t need any food for energy
Pregunta 3
Pregunta
Species that use the same source of nutrition within a food web can best be described as
Respuesta
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providing double links in a food chain
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being homeopathic for energy flow
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occupying the same trophic level
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being friends in the food web
Pregunta 4
Pregunta
Which of the following best explains why there are usually NOT more than five trophic levels in a food chain?
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Most carnivores function at more than one trophic level
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Trophic levels above this number contain too many individuals
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Top carnivores are too few in number to hunt prey effectively
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90% Energy is lost from each trophic level below
Pregunta 5
Pregunta
Which of the following is an abiotic part of an ecosystem?
Respuesta
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grass
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bacteria
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water
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bird
Pregunta 6
Pregunta
Which of the following is true about secondary consumers in an ecosystem?
Respuesta
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They eat only plants.
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They are eaten by primary consumers.
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They are smaller and weaker than are primary consumers.
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They are fewer in number than are primary consumers.
Pregunta 7
Pregunta
A biotic relationship within an ecosystem in which both organism benefit is referred to as
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Commensalism
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Mutualism
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Parasitism
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Predator-prey
Pregunta 8
Pregunta
Cuckoo and Warbler- A cuckoo may lay its egg in a warbler's nest. The cuckoo's young will displace the warbler's young and the warbler will raise the cuckoo's young. This is an example of
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Commensalism
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Mutualism
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Parasitism
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Predator-prey
Pregunta 9
Pregunta
A stable food chain will have a multitude of feeding relationships between organisms.
Respuesta
- True
- False
Pregunta 10
Pregunta
A cow and grass will have a predatory relationship even though it may not kill the plant it is eating.
Respuesta
- True
- False
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