What’s on the Energy Flow poster
A 5-row table: Level · Is · Energy.
Energy loss between trophic levels.
- Producer — Photosynthetic — 100%
- Primary consumer — Herbivore — ~10%
- Secondary consumer — Carnivore — ~1%
- Tertiary consumer — Top carnivore — ~0.1%
- Decomposer — Breaks down all levels —
Losses: respiration, heat, undigested material and excretion. Only about 1–2% of incident light is captured in the first place.
Questions about the Energy Flow poster
- What’s on the Energy Flow poster?
- A 5-row table: Level · Is · Energy. Energy loss between trophic levels. Producer — Photosynthetic — 100%; Primary consumer — Herbivore — ~10%; Secondary consumer — Carnivore — ~1%; Tertiary consumer — Top carnivore — ~0.1%; Decomposer — Breaks down all levels —. Losses: respiration, heat, undigested material and excretion. Only about 1–2% of incident light is captured in the first place.
- Who is the Energy Flow poster for?
- Energy Flow belongs to the Biology section rather than to a school year, because life science is not something one grade owns. Anyone learning ecology can pin it up — a beginner, a student mid-course, or someone revising years later.
- When should you use the Energy Flow poster?
- Roughly 10% transfers between trophic levels. That is why there is never a sixth level. A wall chart earns its place by being glanceable from where the work is happening, so Energy Flow belongs on the wall where that life science work actually happens, within glancing distance, rather than filed away.
- What other posters go with Energy Flow?
- Measuring Biodiversity, Carbon in Ecosystems and Climate & Ecosystems sit alongside Energy Flow in the Biology section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Measuring BiodiversityCarbon in EcosystemsClimate & Ecosystems
- Is the Energy Flow poster free to download and print?
- Yes. Energy Flow downloads as a free PDF with no account, no email and no watermark, like everything else in the Biology section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
- What size does the Energy Flow poster print at?
- Energy Flow is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Energy Flow loses nothing.Printing guide
Related posters
Charts that sit alongside Energy Flow on the same wall.
Browse every Biology poster, or start from the full catalogue.