testa
(Science: plant biology) Outer covering of a seed, also called the seed coat, derived from the integument of the ovary.
Dictionary > Testa
You will also like...

New Zealand’s Biodiversity
Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..

Dominance
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..

Origins of Life on Earth
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

Chromosome Mutations
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

Vascular Plants: Ferns and Relatives
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..