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.
Dictionary > Dart
You will also like...
Neurology of Illusions
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
Ecological Research: Measuring & Analysis
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
The Hominids
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Examples of Natural Selection
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
Gibberellins and Gibberellic Acid
This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..
Psychiatry & Mental Disorders
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..