How does stopping at checkpoints benefit the cells?

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

This is collection of data made by comparing objects in standard units. in science, the units are metric.