keyword

biology campbell

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

$ curl "https://app.seodata.dev/v1/keyword?q=biology+campbell&country=us" +--------------+------------------+ | volume | 210 | | cpc | $0.39 | | competition | 0.99 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
campbell biology	4,400	$1.09	20/20
biology campbell textbook	880	$0.9	10/20
biology textbook campbell	720	$0.62	12/20
biology book by campbell	720	$0.62	11/20
campbell biology textbook	720	$0.62	11/20
biology textbook by campbell	720	$0.62	10/20
campbell biology book	210	$0.87	10/20
campbell reece biology	170	$1.38	10/20
campbell biology latest edition	110	$0.88	10/20
campbell biology edition	50	$0.57	11/20

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=biology+campbell&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt