64 results found

Search Results for: cover

Areal cover

Areal cover (Science: botany, ecology) a measure of dominance that defines the degree to which above ground portions of... Read More

Instream cover

Instream cover areas of shelter in a stream channel that provide aquatic organisms protection from predators or competitors... Read More

Tree

“The biological diversity is plenty if you look around yourself a little closely; with an eye for life!” … People... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Biodiversity

The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Petri dish

Definition noun, plural: Petri dishes A circular dish made of glass or plastic and with a loose-fitting cover, used in... Read More

Biology: Concepts & Connections with Student CD-ROM (5th Edition)

Biology: Concepts & Connections with Student CD-ROM (5th Edition)   ... Read More

Demographic transition

The demographic transition model is a theoretical framework that explains the historical shift in population dynamics as a... Read More

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Skin

Definition noun, plural: skins (anatomy) The external membranous integument of the body; the outer protective covering of... Read More

Mask

Mask 1. A cover, or partial cover, for the face, used for disguise or protection; as, a dancer's mask; a fencer's mask; a... Read More

Ecological Research: Measuring & Analysis

By: Maria Victoria Gonzaga Previously in this lesson, we learned that high biodiversity is essential to a healthy... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Biosphere

What is biosphere? The biosphere is that part of the Earth where living things thrive and live. It is the portion of the... Read More

Diversification

An organism in the mainland experiences two competitions namely inter and intraspecific. Hence due to the pressure on the... Read More

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Normal range

normal range normal results can fall outside the normal range. By convention, the normal range is set to cover ninety-five... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Zebra

zebra (Science: zoology) Either one of two species of south african wild horses remarkable for having the body white or... Read More

Nonsense mutation

A nonsense mutation is the type of point mutation that renders the translation process useless by coding for a stop/nonsense... Read More

Genetic drift

Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More

Color Atlas & Synopsis of Clinical Dermatology

Color Atlas & Synopsis of Clinical Dermatology     ... Read More

Dichotomous

Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More

Condyloid joint

A joint is a point where two bones are attached and are capable of movement. The joints not only provide the movements of... Read More

Arrow poison

Definition noun Any toxin used for making arrow heads, spears, or darts poisonous Supplement Arrow poisons are toxins used... Read More

Biorefineries – Industrial Processes and Products: Status Quo and Future Directions

Biorefineries - Industrial Processes and Products: Status Quo and Future Directions  ... Read More

Bone matrix

Bone Matrix Definition Bone matrix refers to the matrix component of bone tissue. It provides the structural framework and... Read More

Camelid

Camelid Definition A canelid refers to any of the even-toed ungulates of the family Camelidae, e.g. camels, llamas,... Read More

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Trichome

Definition noun, plural: trichomes (botany) An outgrowth (hair-like or scale-like) from the epidermal cell (microbiology) A... Read More

Cutin

Definition noun, plural: cutins (botany) A waxy polymer of hydroxy acids in the cuticle of plants (medicine) An animal... Read More

Basic & Clinical Biostatistics (LANGE Basic Science)

Basic & Clinical Biostatistics (LANGE Basic Science)      ... Read More

Survival of the fittest

When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More

Origins of Life : On Earth and in the Cosmos (2nd Ed)

 Origins of Life : On Earth and in the Cosmos   ... Read More

Adaptive Radiation

Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More

Cilium

Cilia Definition Cilia are hair-like structures found on the surface of many types of cells, including some mammalian... Read More

Arm

Arm 1. The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey. 2.... Read More

Tail

tail 1. (Science: zoology) The terminal, and usually flexible, posterior appendage of an animal. The tail of mammals and... Read More