FLASHCARD Ecology (Ch 2)

Front

What does a food web represent?

Back

All connections of energy flow throughout all organisms in a habitat.

Front

What is a carnivore?

Back

An organism that primarily eats other animals.

Front

What percentage of energy typically transfers from one trophic level to the next?

Back

10%.

Front

What do the arrows in a food chain diagram indicate?

Back

Direction of energy flow through a series of organisms.

Front

What ecological relationship is depicted by a flock of seagulls fighting over a single food source?

Back

Intraspecies Competition.

Front

Define 'Producer' in an ecological context.

Back

An organism that can make its own food through photosynthesis or chemosynthesis.

Front

What is the role of herbivores in an ecosystem?

Back

Herbivores are organisms that eat plants and serve as primary consumers in the food chain.

Front

Explain 'Mutualism' with an example.

Back

A symbiotic relationship where both species benefit, e.g., bees pollinating flowers.

Front

What is 'Parasitism'?

Back

A relationship where one organism benefits at the expense of another, e.g., ticks on mammals.

Front

Define 'Trophic Level'.

Back

Each step in a food chain or food web, representing a different level of energy transfer.