Eutrophication- Definition, Causes, Types, Process, Examples

Eutrophication

Eutrophication Definition Eutrophication is the condition of a gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in a water body resulting in excessive plant and algal growth. Eutrophication is one of the most widespread challenges faced by freshwater systems and also has a long history in terms of water management. It is a natural process that …

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Monocot vs Dicot Seed- Definition, Structure, 10 Differences, Examples

Monocot vs Dicot Seed

Definition of Monocot Seed Monocot seeds are defined as seeds that consist of a single (mono) embryonic leaf or cotyledon. The structure of the seed and the number of cotyledons present in the seed are the most important characteristics that allow the differentiation of monocots and dicots. The seed pod of most monocots is trimerous (exist in three parts) as …

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Monocot vs Dicot Flower- Definition, Structure, 6 Differences, Examples

Monocot vs Dicot Flower

Definition of Monocot Flower Monocot flowers are condensed shoot regions that are specialized for the function of sexual reproduction. The most definitive characteristic of monocot flowers is that these flowers usually have flower parts that occur in threes or multiples of threes. The observation of flowers and their parts; thus, can be used as a method to differentiate between monocot …

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Monocot vs Dicot Stem- Definition, Structure, 22 Differences, Examples

Monocot vs Dicot Stem

Definition of Monocot Stem Monocot stem is a circular-shaped hollow axial part of the plant which gives rise to nodes, internodes, leaves, branches, flowers with roots at the basal end. The size of stems varies in different species of monocots, but the size is barely ever as large as dicots.  Monocot stems are herbaceous as they lack secondary growth due …

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Monocot vs Dicot Roots- Definition, Structure, 18 Differences, Examples

Monocot and Dicot Roots

Definition of Monocot Root Monocot roots are fibrous or adventitious roots consisting of a wide network of thin roots and root fibers that originate from the stem. Monocot roots are highly variable depending on the plant species and the age of the plant. But most of the monocot plants are herbaceous with weak cambium that cannot hold woody tissues. The …

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Monocot vs Dicot Leaves- Definition, Structure, 13 Differences, Examples

Monocot and Dicot Leaves

Definition of Monocot Leaves Monocotyledonous leaves are narrow and elongated with parallel venation, which is often used to distinguish monocotyledonous plants from dicots. Monocot leaves are isobilateral as both the surfaces of the leaves are similar to the same coloration. The primordial monocot leaves consist of a proximal leaf base or hypophyll and a distal hyperphyll. The hyperphyll is the …

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Feedback Mechanism- Definition, Types, Process, Examples, Applications

Feedback Mechanism

Feedback Mechanism Definition The feedback mechanism is the physiological regulatory system in a living body that works to return the body to the normal internal state or homeostasis. These mechanisms are also found in nature in different ecosystems and animal groups. The feedback mechanism in the living system occurs in the form of a loop which assists in the maintenance …

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Cilia- Definition, Structure, Formation, Types, Functions, Examples

Cilia

Cilia Definition Cilia are tiny hair-like appendages present on the eukaryotic cell surface that provides a means of locomotion to different protozoans and animals. The term ‘cilia’ is a Latin term meaning eyelash indicating the tiny eyelash-like appearance of the structure. Cilia are most prominent in protozoans of the phylum Ciliophora which are characterized by the presence of cilia. Ciliated …

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Flagella- Definition, Structure, Types, Arrangement, Functions, Examples

Flagella

Flagella Definition A flagellum or flagella is a lash or hair-like structure present on the cell body that is important for different physiological functions of the cell. The term ‘flagellum’ is the Latin term for whip indicating the long slender structure of the flagellum that resembles a whip. Flagella are characteristic of the members of the protozoan group Mastigophora, but …

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Streptococcus mutans- An Overview

Streptococcus mutans

What is Streptococcus mutans? Streptococcus mutans is a Gram-positive coccus that is a major inhabitant of the oral cavity and is considered a significant contributor of tooth decay and cavities. Streptococci are spherical or ovoid cells, arranged in chains or pairs where many species are members of the commensal microflora on mucosal membranes of humans or animals, and some are …

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