Geography · KS3 Y7 · Resources & Environment

Ecosystems: living connections

Ecosystems: living connectionsFree11:10Heddy Score 3 of 7, below the standard
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What you need to know

  • An ecosystem is a community of living things interacting with each other and with their surroundings.
  • Energy flows from producers through the consumers that eat them.
  • Nutrients cycle through the system, which helps explain why some places support so much life.
  • Damage one part, as deforestation does, and effects spread through the rest of the web.

In this clip

Runs 11:10, from 0:00 to 11:10 of the full video.

Heddy Score3/7, Below the standard
See the seven stars
  • Trusted source · passed. The creator's own upload, live and playable here.
  • On the map · not judged yet. A teacher watched it: it mainly teaches this map topic.
  • Spec-true · not judged yet. Accurate, and right for the current UK specification.
  • Focused · passed. One idea, short enough to watch in one go.
  • Accessible · passed. Good captions, clear sound and pictures.
  • Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
  • Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
★ passed · ☆ pending · ✕ failed
Our students

Not enough students yet

Our own students' answers. These are what move ★7 Proven.
On YouTube

546K views · 5.93K likes · CrashCourse 17.3M subscribers

As reported by YouTube on 2026-11-03. Not part of the Heddy Score.
How the Heddy Score works

Why we picked it

It links energy flow and nutrient cycles, then shows what happens when part of the system is removed.

CrashCourse on YouTubechecked 2026-10-18

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