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Biology Solver: Solve Any Biology Problem Instantly With AI in 2026

Every biology source. Step-by-step solutions with diagrams, pathway maps, and Punnett squares. Plus AI for anything not in a textbook. Unlock answers from Chegg, Numerade, CourseHero, and Bartleby — and get custom AI solutions for graduate-level biology no textbook covers.

StudySolutions Team|June 25, 2026

TL;DR — Quick Answer

Biology solver — every problem, step-by-step, instantly.

  • 1.StudySolutions unlocks step-by-step biology solutions from Chegg (thousands of biology textbooks), Numerade (STEM videos), CourseHero, Bartleby, and more.
  • 2.AI (ChatGPT, Claude, Gemini) solves problems not in any textbook — intro biology to graduate-level molecular biology, pathways and mechanisms included.
  • 3.For written biology assignments and lab reports: humanizer makes AI-generated explanations and research summaries undetectable.

5 free unlocks, no credit card. Starting at $1.45/week for 150 solutions across every biology source.

Biology solver workflow: unlock step-by-step solutions from Chegg, Numerade, CourseHero, Bartleby, or use AI for problems not in textbooks

8+

Bio Sources

Instant

Solutions

$1.45/wk

Starting Price

5 Free

Unlocks

The 2026 Biology Solver: Unlock + AI

In 2026, there are two ways to solve a biology problem fast — and StudySolutions is the only platform that does both in one place. Whether your problem is from Campbell, Raven, Marieb, or a custom case study your professor wrote, you get a full step-by-step solution with diagrams, pathway maps, and Punnett squares instantly.

Approach 1 — UNLOCK Textbook Solutions

Chegg, Numerade, and CourseHero have millions of worked biology problems — written by biology tutors and graduate students. Punnett squares, pedigree analyses, labeled cell diagrams, metabolic pathway maps, and final answers for every textbook problem you will see in undergrad and most of grad school.

If your problem set comes from a standard biology textbook, the odds are extremely high the solution already exists. StudySolutions unlocks it instantly without paying eight separate subscriptions. See our free textbook solutions guide for full coverage.

Approach 2 — AI Solves New Problems

ChatGPT-4o and Claude handle any biology from intro bio to graduate-level molecular biology. Custom case studies your professor wrote, novel ecology problems, mechanism predictions for unfamiliar pathways, problems from non-standard textbooks — AI generates a complete solution with every principle explained.

AI does not need a textbook. It identifies the biological concept, sets up the pathway or Punnett square, and works through the problem the way a graduate TA would. For the broader STEM combo, see our chemistry solver and physics solver guides — the same workflow applies to biology.

The result: there is no biology problem this combination cannot solve. Standard textbook problems get unlocked. Custom problems and unfamiliar pathways get solved by AI. Either way, you get step-by-step working with the principles explained, not just the final boxed answer.

How to Solve Any Biology Problem

Three steps, under 3 minutes. Works for any biology problem, any level, any source.

Biology solver workflow showing three steps: find the problem and paste URL or describe to AI, get full step-by-step solution with diagrams and pathways, understand and submit

Step 1 — Find Your Problem

If the problem is from a textbook, paste the Chegg, Numerade, CourseHero, or Bartleby URL into the StudySolutions unlock tool. If the problem is custom — your professor wrote it, the textbook is obscure, or no solution exists online — describe it to AI directly. Include the relevant biological context (organism, system, conditions) and what you need to find.

Step 2 — Get Full Step-by-Step Solution

For textbook problems, the unlocked solution appears instantly with labeled diagrams, Punnett squares, pathway maps, pedigree analyses where relevant, and the boxed final answer. For AI-solved problems, you get a complete worked solution with each step explained — identifying the biological concept, choosing the right framework, and arriving at the answer. No truncation, no “Pro upgrade required” teasers.

Step 3 — Understand and Submit

Read through the steps until the biology clicks. For pure problem sets, copy your final work. For written biology assignments — lab reports, research summaries, essay questions, dissection write-ups — humanize the AI-generated text before submitting. See our unlocks page for the full submission workflow.

Try it free — 5 biology solutions, no credit card

Unlock step-by-step solutions from Chegg, Numerade, and more.

Every Biology Topic Covered

From intro biology to graduate-level molecular biology. Every topic, every level. If the course says “Biology” in the title, StudySolutions has it covered.

Topics Supported

Cell Biology
Genetics
Molecular Biology
Ecology
Evolution
Anatomy & Physiology
Microbiology
Biochemistry
Neuroscience
Marine Biology
Botany
Zoology
Immunology
Bioinformatics
Developmental Biology
Pharmacology

Sources for Every Biology Topic

SourceCoverage
CheggThousands of biology textbook solutions, step-by-step, expert Q&A
NumeradeSTEM video walkthroughs — instructors explaining biology on camera
CourseHeroBiology study guides, worked problems, lecture notes, lab reports
BartlebyBiology textbook solutions, labeled diagrams, pathway maps
StudocuPast biology exams, lab reports, dissection guides by course
QuizletCell organelles, taxonomy, metabolic pathways, anatomy flashcards
CliffsNotesBiology topic summaries, A&P study guides, AP Bio review
AI (ChatGPT/Claude)Any problem not in textbooks — custom solutions with pathways and mechanisms

One subscription covers every source. No more juggling Chegg + Numerade + CourseHero + Bartleby subscriptions — all under StudySolutions, with AI for anything not in those databases. For the video walkthrough side specifically, see our Numerade answers free guide.

Biology Solver Cost Comparison

If you currently pay for biology solver tools, you are almost certainly overpaying. Here is the side-by-side.

Cost comparison chart showing individual subscriptions to Chegg, Numerade, CourseHero, and Bartleby totaling $40.89 per month versus StudySolutions at $5.80 per month — 86 percent savings with 2x more biology coverage
PlatformPriceCoverage
Chegg$15.95/monthChegg solutions only
Numerade$14.99/monthSTEM video solutions only
CourseHero$9.95/monthStudy guides only, no AI
Total Individual$40.89/month3 sources
StudySolutions$1.45/week (~$5.80/mo)ALL 8+ sources + AI
Savings86% cheaper2x more coverage

See our best Chegg alternatives guide for the full breakdown of why StudySolutions beats individual subscriptions for biology, chemistry, physics, and every other STEM subject.

All biology sources. One subscription. $1.45/week.

Homework Pass: 150 unlocks/week across every platform.

Pricing

All weekly billing from studysolutions.app/billing. No contracts. Cancel anytime.

Free (Basic)

$0/forever
Humanizer: 500 lifetime words
Unlocks: 5 free unlocks
Turnitin: None

Try 5 biology solutions free

Homework Pass

$1.45/per weekBEST VALUE
Humanizer: None
Unlocks: 150 / week
Turnitin: None

BEST FOR BIOLOGY — all sources, 150 solutions/week

Homework+ Pass

$2.49/per week
Humanizer: None
Unlocks: 350 / week
Turnitin: None

Exam prep, multiple biology courses

Study Pass

$4.50/per week
Humanizer: 50,000 words / week
Unlocks: 150 / week
Turnitin: 3 checks / week

Biology solutions + lab report humanizer + Turnitin

Study Pass+

$9.95/per week
Humanizer: 250,000 words / week
Unlocks: 350 / week
Turnitin: 10 checks / week

Full course load

Why Homework Pass Is the Biology Solver Pick

If your workload is mostly biology problem sets and other STEM problems, the Homework Pass at $1.45/week is the best value. 150 unlocks per week — averaging out to over 20 biology solutions per day. No per-source fees, no per-topic limits. If you need more for exam weeks across multiple biology courses, Homework+ Pass at $2.49/week gives 350 unlocks. If you also have lab reports or biology essays to write, upgrade to the Study Pass at $4.50/week which adds the humanizer and Turnitin verification.

Biology Solver FAQ

Every question students ask about biology solvers. Direct answers, no fluff.

Can this biology solver solve any problem?
Yes. Between textbook solutions (Chegg has thousands of biology textbooks, Numerade has STEM video walkthroughs) and AI (ChatGPT-4o handles any biology from intro bio to graduate-level molecular biology), there is no biology problem this cannot solve. If a solution exists in any textbook, StudySolutions unlocks it. If it does not, AI generates a custom step-by-step solution with diagrams, pathways, and mechanisms.
Is there a free biology solver?
Yes. StudySolutions gives 5 free unlocks — no credit card. Each unlock gives you a full step-by-step biology solution from Chegg, Numerade, or any other source. For ongoing access, Homework Pass is $1.45/week for 150 solutions across all sources.
Does this show step-by-step solutions?
Yes. Every textbook solution from Chegg and Bartleby includes full step-by-step working — diagrams, pathway maps, Punnett squares, phylogenetic trees, and final answers. Numerade provides video walkthroughs where instructors explain biology concepts on screen. AI-generated solutions include every step with the underlying principles explained. Nothing is truncated.
Can this solve genetics and molecular biology problems?
Yes. Genetics and molecular biology are among the strongest use cases. AI walks through Punnett squares, Hardy-Weinberg calculations, pedigree analysis, gene mapping, DNA replication and transcription mechanisms, codon translation, and PCR primer design. Chegg and Numerade have thousands of genetics and molecular biology textbook problems with full worked solutions. Combined, this covers every genetics and molecular biology course from intro through graduate-level.
Does it cover anatomy and physiology?
Yes. A&P is one of the most-asked topic areas. Chegg, Bartleby, and CourseHero have full coverage of Marieb, Tortora, Saladin, and every standard A&P textbook with labeled diagrams and step-by-step physiology explanations. Quizlet has flashcard decks for every muscle, bone, nerve, and organ. AI explains organ systems, action potentials, hormonal cascades, and pathophysiology in plain language with the relevant mechanisms drawn out step by step.
Can I use this for biology exams?
For exam prep, absolutely. Access thousands of practice problems with full solutions. Studocu has past biology exams organized by course. Quizlet has flashcards for cell organelles, metabolic pathways, taxonomy, and anatomical structures. Homework+ Pass ($2.49/week, 350 unlocks) is ideal for exam weeks across multiple biology courses.
Does this work on a phone?
Yes. StudySolutions works on any device with a browser — no app download needed. Phone, tablet, laptop, Chromebook. Paste a URL or describe your biology problem with the relevant details.
How much does the biology solver cost?
Free for 5 solutions. Homework Pass: $1.45/week for 150 solutions. Homework+: $2.49/week for 350. Study Pass: $4.50/week adds humanizer and Turnitin. Individual subscriptions to Chegg + Numerade + CourseHero cost $40.89/month — StudySolutions is 86% cheaper with more biology coverage.

Your Biology Solutions Are Waiting.

Chegg, Numerade, CourseHero, Bartleby + AI — every biology source, step-by-step solutions with diagrams, Punnett squares, and pathway maps, one subscription. 5 free unlocks, no credit card. Starting at $1.45/week. Cancel anytime.