Dictionary » D » Dart

Dart

Dart

1. (Science: zoology) a fish; the dace. See dace.

2. (Science: zoology) dart sac, a sac connected with the reproductive organs of land snails, which contains a dart, or arrowlike structure.


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microscopic tools

Any ideas on how to get then to mate. I watch them yesterday for 1 hour they were ready to mate but no dart to inject the sperm. Maybe I can open one and extract the sperm go from there.

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by mehdi71000
Sun Jun 03, 2007 10:03 pm
 
Forum: General Discussion
Topic: microscopic tools
Replies: 8
Views: 808

Mimicry

... or marine environments, is bright coloration. Bright colors typically signal to potential predators that the organism is poisonous (such as poison dart frogs, certain echinoderms, etc).

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by AstusAleator
Wed Feb 07, 2007 5:36 pm
 
Forum: Zoology Discussion
Topic: Mimicry
Replies: 6
Views: 1241

The Fiber Disease

... I know this is a crazy thought, but it is what I have observed. What I hate the most is the fibres, the way they float in mid air, and seemingly dart at ones face. I dont think morgellons should be taken lightly, and within reason all considerations should be aired and discussed.

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by al
Thu Jan 11, 2007 2:54 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748681

The Fiber Disease

... in the place where you still have traces of the larvae left after laundering. The female worm can lay on an object and as you touch it shoot a dart into you.. the dart may or may not be some kind of bacterial antigen it uses to try to paralyze you.. but you are not an insect, and the dose is ...

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by Neva Borden
Sun Dec 03, 2006 1:13 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748681

Evolving due to food

... the Variable and Hooded Pitohuis, contain powerful neurotoxic alkaloids of the batrachotoxin group (also secreted by the Colombian poison dart frogs, genus Phyllobates). It is believed that these serve the birds as a chemical defence, either against ectoparasites or against visually guided ...

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by David George
Wed Mar 01, 2006 11:26 am
 
Forum: Evolution
Topic: Evolving due to food
Replies: 11
Views: 1174
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