Ecological Relationships

24 questions on this block. Tap an answer and it moves on by itself — correct answers advance immediately, misses hold a few seconds so you can read why.

Plus, zero or minus for each side Mutualism +/+. Commensalism +/0. Parasitism +/− (lives on or in). Predation +/− (kills and eats). Competition −/−. Mimicry: harmless looks harmful.

Warm-up · not scored

Click the buttons and watch what changes.

+ means the organism benefits, 0 means it is not affected, and − means it is harmed. Mutualism is +/+, commensalism is +/0, parasitism is +/−.

Part 1Mutualism, commensalism, parasitism

Part 2Predation and competition

Part 3Classifying relationships

Part 4Mimicry and coevolution

Part 5Putting it together

Ecological Relationships

Warm-up · not scored

Review Complete

Worth another look