keyword

biology book pdf free

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

$ curl "https://app.seodata.dev/v1/keyword?q=biology+book+pdf+free&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.02 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
biology in pdf	480	$0	13/20
biology books in pdf	170	$1.6	16/20
books on biology pdf	170	$0	15/20
biology pdf books	170	$1.6	14/20
biology pdf free download	140	$0	14/20
biology textbook pdf free	50	$3.74	15/20
biology book free download pdf	50	$0	14/20
free biology textbook pdf	50	$3.74	14/20
free biology textbooks pdf	50	$0	14/20
book of biology pdf	10	$0	15/20

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+book+pdf+free&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