Top Predicted Topics for 2025

Your reflex arc knowledge is crucial since it hasn't appeared recently on Higher papers. Teachers reckon AQA will bring it back, so nail down the pathway: stimulus → receptor → sensory neuron → relay neuron → motor neuron → effector → response.

Blood glucose control is practically guaranteed to show up. This negative feedback loop with insulin and glucagon is AQA's favourite - expect either a quick recall question or a chunky 6-marker about diabetes and hormone graphs.

Reproductive hormones keep popping up in different forms. You'll want to understand FSH, LH, the menstrual cycle, and how IVF works. Recent papers have asked about hormone injections leading to ovulation, so this is solid revision territory.

💡 Quick Tip: Practice drawing the reflex arc pathway - it's the kind of diagram question that could easily grab you 2 marks!

Inheritance and variation never goes away. Punnett squares and family trees appeared in 2023, and they're teacher favourites for testing your genetics knowledge. Make sure you can work out dominant/recessive patterns confidently.

Evolution, Ecology and Human Impact

Evolution and natural selection is a big hitter for 6-mark questions. Antibiotic resistance featured heavily in 2023, and fossil evidence often tags along. You should be able to explain how populations change over time and why 99.9% of species have gone extinct.

Selective breeding connects nicely to variation topics. The 2023 salmon question showed how AQA likes real-world examples. Know the steps, risks of inbreeding, and why genetic variation matters.

Classification and fossils might seem like boring recall, but they're easy marks when you know your domains, kingdoms, and binomial naming system. These often appear as quick 1-2 mark questions attached to bigger problems.

💡 Key Strategy: For evolution questions, always mention variation in the population first - it's the starting point examiners love to see.

Don't sleep on fieldwork sampling - it's Required Practical 7, so AQA will definitely test it. Transect methods appeared in both 2022 and 2023, usually asking for clear procedures and control measures.

Ecology Focus Areas

Abiotic and biotic factors are ecology basics that crop up constantly. Abiotic factors like soil pH, light intensity, and temperature affect where organisms live. Biotic factors include competition, predation, and disease. These often appear in multiple choice or short definitions.

You'll see questions asking you to name examples or explain how changing one factor affects an ecosystem. It's straightforward content, but examiners love testing your vocabulary here.

Human impact on ecosystems is massive right now. Water pollution, greenhouse gases, deforestation, and biodiversity loss are all fair game. 2022 had a 6-marker on water pollution, while 2023 focused on farming and methane from cows.

Climate change questions are increasingly popular - know your CO₂ and methane effects. Conservation methods like breeding programmes and protected areas often follow these questions.

💡 Exam Tip: For human impact questions, always give specific examples and solutions - examiners want to see you understand both problems and fixes.

Exam Strategies and Question Styles

AQA loves their 6-mark "explain" questions, especially for natural selection, hormone control, and environmental impact. These need structured answers with clear scientific terminology - practice writing in bullet points or short paragraphs.

Required practicals always feature, particularly transect sampling. Expect method questions with diagrams where you need to describe procedures and suggest improvements like random sampling and repeats.

Short-answer questions typically test definitions and basic concepts. Know your reflex arc steps, hormone names, and the difference between abiotic and biotic factors off by heart.

The prediction table shows these topics have either been absent from recent papers or keep returning in different formats. Inheritance patterns, hormone control, and ecology concepts are AQA staples that rotate through the exam cycle.

💡 Final Tip: Use past papers from 2022 and 2023 to practice these exact question styles - the patterns are remarkably consistent year on year.