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When a fly touches one of the tiny hairs, the trap automatically gets triggered to shut.

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Q: What is the purpose of the tiny hairs on a Venus Flytrap's leaves?
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What is the purpose of the tiny hairs on venus flytraps leaves?

Those are called trigger hairs, that once stepped on, cause the trap to close.


How do Venus Flytraps know when to grab a fly when they have no eyes?

On the inner side of the plant's leaves, there are tiny hairs that can sense when an object has landed on the Venus Flytrap. The hairs let the trap know when to close on its prey.


Why does a Venus Flytrap close its leaves when an insect lands on it?

Venus Flytraps have little hairs or sensors that whenever a fly lands on it, it triggers the "sensors" and it closes upon its prey.


When do Venus Flytraps eat?

The Venus Flytrap eats as soon as a fly has triggered at least 2 of its trigger hairs inside one of its traps.


Why do Venus Flytrap's leaves have hairs?

Those are called 'triggering hairs' that do exactly what it says on the tin! They 'trigger' any movement that enters the leaf, and cause it to shut like a trap, hence the name, Venus "Flytrap".


How do Venus Flytraps move?

If two trigger hairs are touched by an insect inside one of its traps, the trap will snap shut.


How do Venus flytraps eat?

The Venus fly trap has specialized leaves with many fine hairs. These leaves look and smell like food to flies; so, they land to investigate. When they do, they brush the fine hairs, letting the plant know that an insect is there. There is a fast change in turgor pressure in special cells at the hinge of the leaf, which causes the leaf to shut. The fly is then trapped. The plant then releases enzymes that will breakdown the fly. These breakdown products are absorbed into the plant and used for growth.


How do Venus Flytraps hunt?

The Venus Flytrap hunts by luring insects into the jaws of its trap. Inside the trap are glands that secrete nectar. This tricks the insect into thinking it has found a flower. The trap has small sensor hairs that are triggered by the moving insect. The sensor hairs triggering causes the trap to shut and trap the insect.


Is a sundew a Venus fly trap?

no -sundews can trap flies, but sundews are members of the Genus Drosera whereas Venus Flytraps are of the Genus Dionaea. Sundews have a different technique for trapping insects, which involves using sticky dew, and using tentacles that can wrap around prey. Venus flytraps use trigger hairs to quickly snap their trap shut. Refer to related link for more information


How fast do Venus Flytraps shut their mouth?

It is not a mouth. It is a leaf. On the leaves are trigger hairs that trigger the leaves to close. The leaves lie open in wait of prey. Then their colors attract an insect. The insect brushes against one of the hairs. It brushes against another hair and the trap closes. It can also brush against the same hair two times.


Why do Venus Flytraps close?

1/30 of a second


How many tiny hairs does a Venus fly trap have?

A Venus Flytrap has6 hairs but if an insect touches two of the hairs within 20 sec. the Venus flytrap will close, slowly but quick enough to catch its prey.