Ecology Quiz

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Questions and Answers

What is the definition of a population?

  • A group of organisms that hunt and eat together
  • A group of different organisms living together in the same habitat
  • A group of organisms that have a symbiotic relationship
  • A group of the same kind of organisms living together in the same habitat (correct)

What is the difference between a food chain and a food web?

  • A food chain is a map of feeding relationships, while a food web is a diagram of energy flow
  • A food chain shows the flow of energy between organisms, while a food web shows the relationship between producers and consumers
  • A food chain is a diagram of energy flow, while a food web is a map of feeding relationships
  • A food chain shows one path of energy transfer, while a food web shows multiple paths of energy transfer (correct)

What is the definition of mutualism?

  • A relationship where one is benefited but the giver or host is not affected or harmed
  • A relationship where one organism feeds on plants
  • A relationship where one organism depends on another for food and harms the host in the process
  • A relationship where two or more organisms are benefited (correct)

What is the definition of friction?

<p>The force that makes moving objects slow down or stop (B)</p> Signup and view all the answers

What is the definition of commensalism?

<p>A relationship where one is benefited but the giver or host is not affected or harmed (A)</p> Signup and view all the answers

What is the definition of a scavenger?

<p>An animal that feeds on dead organisms (A)</p> Signup and view all the answers

What is the definition of mimicry?

<p>When animals protect themselves by resembling inanimate objects (B)</p> Signup and view all the answers

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Study Notes

Ecology

  • A population is a group of individuals of the same species living in a specific geographic area, sharing a common gene pool, and capable of interbreeding.

Food Relationships

  • A food chain is a series of organisms that eat other organisms, with each level being consumed by the next level, forming a linear sequence.
  • A food web is a complex network of food chains that are interconnected, showing multiple feeding relationships between different species.

Symbiotic Relationships

  • Mutualism is a type of symbiotic relationship where both organisms benefit from each other's presence.
  • Commensalism is a type of symbiotic relationship where one organism benefits and the other organism is not affected.

Physics

  • Friction is a force that opposes motion between two surfaces that are in contact, resulting in a resistance to motion.

Ecological Roles

  • A scavenger is an organism that feeds on dead or decaying organic matter, playing a crucial role in decomposition and nutrient cycling.
  • Mimicry is a defense mechanism where one species evolves to resemble another species, often to avoid predators or attract prey.

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