What is Auxin | Auxin Functions, Regulation, & Interaction Definition of Auxin Auxin Definition: Auxin is a plant hormone that plays a role in many aspects of plant growth and development. It was the first plant hormone discovered, and its structure was determined in the early 1900s. It synthesized auxin in plant cells, usually near the tips of… Read More »
Arthropods | Definition, Anatomy and Classification What is an Arthropod? Arthropods are a large group of organisms, including insects, spiders, crustaceans, and many other animals. They have an exoskeleton outside of their bodies which protects them from predators and physical support for some parts. This article will discuss what arthropods are, the characteristics, types of arthropods, and examples.… Read More »
Adrenal Gland |Introduction, Structure, Location & Function Adrenal Gland Definition What is the adrenal gland? The adrenal gland or suprarenal gland is an endocrine organ that produces a variety of hormones, among them epinephrine (adrenaline) and norepinephrine (noradrenaline). These play important roles in the sympathetic nervous system’s flight-or-fight response. The adrenals also secrete steroid hormones like cortisol which… Read More »
Angiosperms | Definition, Anatomy, and Examples Angiosperms Definition What are Angiosperms plants? An angiosperm is a flowering plant that produces seeds enclosed in an ovary. Angiosperm comes from the Greek words “Angio” which means a vessel, and “Sperma,” which means seed. They are three broad groups within the plant kingdom, the other two being gymnosperms and cryptogams. There… Read More »
Active site | Definition, Significance & Examples Definition of Active Site What is the Active site of an enzyme? In chemistry, an Active site of an enzyme is the place to which a substrate binds. Sometimes, enzymes can catalyze multiple chemical reactions, either sequentially or simultaneously. In short, it is the region of an enzyme that binds the… Read More »
Acetic Acid | Definition, Formula & Uses Definition of Acetic acid What is Acetic Acid: It is a fully symmetrical molecule. The name of acetic acid comes from acetum, which is Latin for vinegar. The acid does not give rise to a sour taste in any significant amount. It is the product of microbial fermentation. The sour taste… Read More »
Adaptive Radiation | Brief introduction & Examples Adaptive Radiation Definition: Adaptive Radiation is the process by which a single ancestral species gives rise to multiple descendant species (or “radiates”) exhibiting different forms and occupying distinct ecological niches. It is a term used in evolutionary biology and refers to patterns of biodiversity and morphological, or anatomical, diversity originating in… Read More »
Adaptation | Definition, Types & Examples Adaptation Definition What is Adaptation: Adaptation is a natural or fictional representation of someone else’s work, which changes some aspect(s) from its original. The word comes from the Latin “ad,” meaning to, and “Aptus,” adaptation meaning fit. What is adaptive: The adaptation of an organism is a change in its body or… Read More »
Cladogram | Definition, Types & Examples Cladogram Definition A cladogram is a diagram used in order to represent the hypothetical relationship that lies between the animal groups, known as Phylogeny. In simple words, the cladograms are used to compare only two or three groups of individuals, or they may be enormously complex and comprise all known kinds of life. Cladograms contain the organisms… Read More »
Abiogenesis | Introduction, Theory & Examples What is Abiogenesis? Abiogegenis definition: In science, abiogenesis is the study of how life began from non-living matter. This has been a heavily debated subject over the years because there is no clear understanding of how something could come from nothing. Many theories and experiments have been done to determine this answer,… Read More »