When will the cell be expected to use an active transport mechanism to move a substance from outside environment into the cytoplasm

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 molecule does hemoglobin decay into over time

Ecology can best be described as the study of what