In an ecosystem, which one shows one-way passage

In an ecosystem which one shows oneway passage.

In an ecosystem, which of the following shows one way passage ?

Out of the following given ecosystem which one is most recently discovered ecosystem?

Correct and write the following statements and justify your corrections: The flow of nutrients in an ecosystem is considered to be a one way transport.

Name the following True or False. If false, write the correct sentence. The flow of nutrients in an ecosystem is considered to be a 'one way' transport.

Energy flow through an ecosystem is 'one way'.