Definition noun A form of apomixis where the embryo arises from an unfertilized egg within a diploid embryo sac formed without completing meiosis. Supplement Apomixis in flowering plants exists in two forms: gametophytic apomixis adventitious embryony See also: asexual reproduction, meiosis..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
