🌱Plants have external defenses like tough surfaces, thorns, and trichomes to deter herbivores.
🌿Plants produce chemical compounds that repel insects and microbes, and some can cause pain or inflammation in predators.
🌳Plants have an immune system that activates defensive responses in every cell.
⚡Plants can communicate with each other to amplify their defenses.
🐜Plants can enlist the help of other organisms to attack their predators.
What are some physical defenses that plants have?
—Plants have tough surfaces, thorns, and trichomes to deter herbivores.
How do plants repel insects and microbes?
—Plants produce chemical compounds that repel insects and microbes, and some can cause pain or inflammation in predators.
Do plants have an immune system?
—Plants don't have a separate immune system like animals, but every cell can detect and defend against invaders.
Can plants communicate with each other?
—Yes, plants can communicate through hormones, airborne compounds, and electrical signals to warn neighboring plants of danger.
How do plants enlist the help of other organisms?
—Plants can release specific chemicals to attract allies like parasitic wasps to attack their predators.
00:07Plants have various defenses to protect against threats, like tough surfaces and chemical compounds.
01:46Some plants have thorns, spines, and prickles to discourage bigger herbivores.
03:39Plants have an immune system that activates defensive responses in every cell.
04:52Plants can communicate with each other through hormones, airborne compounds, and electrical signals.
04:55Plants can release specific chemicals to attract allies like parasitic wasps.
