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...
![Plant biology](https://www.biologyonline.com/wp-content/uploads/2020/02/plant-biology-300x168.jpg)
Plant Biology
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
![Carbohydrates, fats and proteins - dietary sources](https://www.biologyonline.com/wp-content/uploads/2020/02/A-Balanced-Diet-Carbohydrates-and-Fat-252x168.jpg)
A Balanced Diet – Carbohydrates and Fat
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
![Birth of a Human Baby](https://www.biologyonline.com/wp-content/uploads/2020/02/Birth-of-a-Human-Baby-252x168.jpg)
Birth of a Human Baby
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
![Ecological Research Measuring & Analysis](https://www.biologyonline.com/wp-content/uploads/2020/09/Ecological-Research-Measuring-Analysis-300x168.jpg)
Ecological Research: Measuring & Analysis
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
![Cambial cells](https://www.biologyonline.com/wp-content/uploads/2020/02/Plant-Tissues-253x168.jpg)
Plant Tissues
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
![squirrel](https://www.biologyonline.com/wp-content/uploads/2020/02/Animal-Water-Regulation-300x168.jpg)
Animal Water Regulation
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..