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It doesn't have to. It just begins the slow process of digestion, and at some point the insect prey will expire (unless it escapes).

Most predators, animals as well as plants, do not wait until their prey is "dead" to begin consuming it. In the case of larger animals, they are usually deceased, but not always. Sharks and snakes swallow some prey whole, and in rare cases the prey (such as recently eaten fish) have been found still alive inside.

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12y ago
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12y ago

The leaves have stiff hairs called trigger or sensitive hairs. When anything touches these hairs enough to bend them, the two lobes of the leaves snap shut trapping whatever is inside. The trap will shut in less than a second. The trap doesn't close all of the way at first. It is thought that it stays open for a few seconds in order to allow very small insects to escape because they wouldn't provide enough food.

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11y ago

Tiny trigger hairs inside its 'mouths' sense when a fly has touched it. When a fly touches 2 or more trigger hairs, the 'mouth' snaps shut almost instantly.

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Q: How does a Venus Flytrap know when a fly is on it?
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Related questions

Does a Venus fly trap have another name?

Yes, the Venus flytrap has a scientific name, Dionaea muscipula. It is also commonly known as the "Venus's flytrap" or simply "flytrap".


What do you call a baby venus fly trap?

Dionaea_muscipula">Dionaea muscipula


How do you spell vienis fly trap?

Venus Flytrap.


How does a venus fly trap ability to trap flies help it survive?

The venus flytrap absorbs nutrients from the fly or other insect. These nutrients are essential to the flytrap's health.


What are facts about venus flytrap's?

if a venus fly trap is pink in the middel it helthy


What is the function of the Venus Flytrap?

Lures the prey into the mouth of the Venus Flytrap by a sweet scent that attracts them, and when the fly lands, the mouth closes in a rapid action, and digests the fly/insect.


Why is a Venus Flytrap good for its surroundings?

The Flytrap keeps the fly and mosquito population down in its surroundings.


Does a fruit fly have an enemy?

Venus flytrap or meat flies.


What is the group of a venus fly trap or family?

The Venus flytrap belongs to Dionaea genus and to the family Droseraceae.


When you have a Venus Flytrap do you have to feed 1 mouth or all of them?

You shouldn't feed the Venus Flytrap more than one fly each feeding time (1 mouth).


What is a better a veanus flytrap or a nempenthes?

well i say a venus fly trap


Can frogs eat a fly off a fly trap?

The fly is caught between the two leafs of a Venus Flytrap. The leafs do not open until the fly is digested and only the undigested remains are left. I doubt if there's a Venus Flytrap big enough to catch a large frog, but, I also do not believe a frog could eat a fly caught by a Venus fly trap.