How many questions are in this quiz?

This quiz has 121 questions on energy transfer, trophic levels, and food web dynamics.

Is there a time limit?

No—there’s no timer, so you can work through each question at your own pace.

What answer format does the quiz use?

Every question is multiple choice with 4 options, designed for quick checking and revision.

Can I choose the number of questions and the difficulty?

Yes. Pick your preferred question count and difficulty before starting to match your study time and comfort level.

What topics are covered in energy flow in food webs?

You’ll cover producers and consumers, trophic levels, energy/biomass pyramids, ecological efficiency, and how changes in one species affect the whole web.

Energy Flow in Food Webs Quiz

About this quiz

What you’ll learn about energy flow

Energy flow in food webs explains who eats whom, how much energy is passed on, and why ecosystems can only support so many trophic levels. You’ll practice interpreting feeding relationships, energy pyramids, and the roles of producers, consumers, and decomposers.

Expect questions that connect concepts like productivity, biomass, and ecological efficiency to real food web scenarios. You’ll also see how changes to one population can ripple through a web.

Quiz format and difficulty settings

Each question has 4 options and there’s no timer, so you can think through each step of the pathway. You can choose the question count and the difficulty before you start—short sets for quick revision or longer runs to build stamina.

Difficulty is mixed on purpose: easier items cover core definitions (trophic level, apex predator), while harder ones test application (predicting outcomes after a species is removed). This balance helps you warm up, then stretch your understanding.

Common pitfalls to avoid

Mixing up energy flow (one-way) with nutrient cycling (reused)
Confusing food chains (linear) with food webs (interconnected)
Assuming "10% rule" is exact in every ecosystem and situation
Forgetting decomposers/detritivores and their role in energy pathways
Misreading arrows in food webs (they point from food to consumer)

Tips to score higher

Slow down on diagram questions and identify producers first, then trace arrows upward to higher trophic levels. When stuck, eliminate options that violate basic constraints (energy decreases at each transfer; top predators are fewer and require large energy input).