shittah tree A tree that furnished the precious wood of which the ark, tables, altars, boards, etc, of the Jewish tabernacle were made; now believed to have been the wood of the acacia Seyal, which is hard, fine grained, and yellowish brown in colour. Origin: Heb. Shittah, pl. Shittim...
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
