Community Ecology Flashcard #5

Front

What is a community in ecology?

Back

A community is a group of different populations that live in a given area and interact with each other.

Front

What does an energy pyramid represent?

Back

An energy pyramid is a diagram that shows the energy available to each trophic level in an ecosystem, where typically 10% of energy is passed on to the next level and the rest is lost as heat.

Front

What is the term for an animal that is hunted and eaten by other animals?

Back

Prey.

Front

How does energy decrease at each trophic level in an energy pyramid?

Back

The energy at each trophic level decreases by a factor of 10.

Front

What type of symbiosis occurs when hummingbirds feed on nectar from flowers and pollinate them?

Back

Mutualism.

Front

Define the term 'trophic level'.

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients through an ecosystem.

Front

What is the role of a predator in an ecosystem?

Back

A predator is an animal that hunts and eats other animals (prey) for food.

Front

What is the difference between a producer and a consumer?

Back

Producers are organisms that create their own food through photosynthesis (e.g., plants), while consumers are organisms that eat other organisms for energy.

Front

What is symbiosis?

Back

Symbiosis is a close and long-term interaction between two different species, which can be beneficial, neutral, or harmful.

Front

What is the definition of an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.