keyword
Monthly search volume and cost-per-click data for "what describes the movement of substances down their concentration gradients" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| passive transport | 18,100 | $0 | 8/20 |
| simple diffusion | 12,100 | $0 | 8/20 |
| is osmosis active or passive | 3,600 | $0 | 8/20 |
| passive diffusion example | 3,600 | $0 | 8/20 |
| is diffusion active or passive | 1,900 | $0 | 9/20 |
| does diffusion use energy | 1,600 | $0 | 11/20 |
| the movement of materials from low to high concentration | 70 | $0 | 9/20 |
| movement from low to high concentration | 50 | $0 | 9/20 |
| movement of substances from higher to lower concentration | 40 | $0 | 9/20 |
| low to high concentration transport | 30 | $0 | 9/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt