Biotic Interactions Within an Ecosystem

Descrição

Biology Quiz sobre Biotic Interactions Within an Ecosystem, criado por Tracy Rains em 18-08-2017.
Tracy Rains
Quiz por Tracy Rains, atualizado more than 1 year ago
Tracy Rains
Criado por Tracy Rains aproximadamente 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which of the following is most likely a decomposer?
Responda
  • grass
  • bacteria
  • water
  • bird

Questão 2

Questão
The term “primary consumer” is used to define an organism that
Responda
  • eats only plants for energy
  • eats only animals for energy
  • makes its own food for energy
  • doesn’t need any food for energy

Questão 3

Questão
Species that use the same source of nutrition within a food web can best be described as
Responda
  • providing double links in a food chain
  • being homeopathic for energy flow
  • occupying the same trophic level
  • being friends in the food web

Questão 4

Questão
Which of the following best explains why there are usually NOT more than five trophic levels in a food chain?
Responda
  • Most carnivores function at more than one trophic level
  • Trophic levels above this number contain too many individuals
  • Top carnivores are too few in number to hunt prey effectively
  • 90% Energy is lost from each trophic level below

Questão 5

Questão
Which of the following is an abiotic part of an ecosystem?
Responda
  • grass
  • bacteria
  • water
  • bird

Questão 6

Questão
Which of the following is true about secondary consumers in an ecosystem?
Responda
  • They eat only plants.
  • They are eaten by primary consumers.
  • They are smaller and weaker than are primary consumers.
  • They are fewer in number than are primary consumers.

Questão 7

Questão
A biotic relationship within an ecosystem in which both organism benefit is referred to as
Responda
  • Commensalism
  • Mutualism
  • Parasitism
  • Predator-prey

Questão 8

Questão
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
Responda
  • Commensalism
  • Mutualism
  • Parasitism
  • Predator-prey

Questão 9

Questão
A stable food chain will have a multitude of feeding relationships between organisms.
Responda
  • True
  • False

Questão 10

Questão
A cow and grass will have a predatory relationship even though it may not kill the plant it is eating.
Responda
  • True
  • False

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