Nutritional Relationships

Front

What is a host in a nutritional relationship?

Back

An organism that provides a source of energy or nutrients for another organism, typically a parasite.

Front

What is a parasite?

Back

An organism that lives on or in a host and derives nutrients at the host's expense.

Front

What is the smallest level of an ecosystem?

Back

Organism.

Front

What are heterotrophs?

Back

Organisms that cannot make their own food and must obtain energy from external sources.

Front

What are autotrophs?

Back

Organisms that can produce their own food, typically through photosynthesis.

Front

What is a food web?

Back

A complex network of feeding relationships among organisms in an ecosystem, showing all connections of energy flow.

Front

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

Back

A food chain shows a single pathway of energy flow, while a food web shows multiple interconnected pathways.

Front

What are producers?

Back

Organisms, like plants, that produce their own food and serve as a source of energy for other organisms.

Front

What are consumers?

Back

Organisms that obtain energy by consuming other organisms.

Front

What is a community in an ecosystem?

Back

A group of different species living together in a specific area.