seodata.dev

keyword

campbell biology free

Monthly search volume and cost-per-click data for "campbell biology free" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=campbell+biology+free&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.36 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
ap biology campbell online textbook 20 $0 5/20
campbell ap biology online textbook 20 $0 5/20
campbell pdf 20 $0 5/20
ap biology campbell 9th edition pdf 20 $0 4/20
campbell biology 12th edition google drive 20 $0 4/20
mastering biology textbook pdf 20 $0 4/20
pearson mastering biology textbook pdf 20 $0 4/20
campbell biology 12th edition download 10 $0 5/20
campbell biology indian edition 10 $0 4/20
modified mastering biology pdf 10 $0 4/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=campbell+biology+free&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt