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A genogram, also known as a family diagram, [1] [2] is a pictorial display of a person's position and ongoing relationships in their family's hereditary hierarchy. It goes beyond a traditional family tree by allowing the user to visualize social patterns and psychological factors that punctuate relationships, especially patterns that repeat over the generations.
In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...
A plant that completes its life cycle (i.e. germinates, reproduces, and dies) within a single year or growing season. annulus 1. A ring-like structure; in the form of a ring. Pappus bristles are sometimes attached to a ring called an annulus or disk at the top of the achene beak.
The tree of life or universal tree of life is a metaphor, conceptual model, and research tool used to explore the evolution of life and describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin's On the Origin of Species (1859). [1]
Genera such as Rhynia have a similar life-cycle but have simple tracheids and so are a kind of vascular plant. [44] It was assumed that the gametophyte dominant phase seen in bryophytes used to be the ancestral condition in terrestrial plants, and that the sporophyte dominant stage in vascular plants was a derived trait.
Chytridiomycota are a division of zoosporic organisms in the kingdom Fungi, informally known as chytrids.The name is derived from the Ancient Greek χυτρίδιον (khutrídion), meaning "little pot", describing the structure containing unreleased zoospores.
Enterprise life cycle, the process of changing a business enterprise; Project life cycle; Product lifecycle, the stages in the lifespan of a commercial or consumer product; New product development, the process of bringing a new product to market; Life-cycle assessment, the analysis of the environmental impacts associated with a product
Henry David Thoreau, an American naturalist and author, made the classic secular advocacy of a life of simple and sustainable living in his book Walden (1854). Thoreau conducted a two-year experiment living a plain and simple life on the shores of Walden Pond. He concluded: "Our life is frittered away by detail. Simplify, simplify, simplify!