By Sourav Pan 0 revisions 23 min readby Sourav Pan
What is Shiga toxin-producing Escherichia coli (STEC)? Virulence factors Virulence factors are key components that contribute to the pathogenicity of Shiga toxin-producing Escherichia coli (STEC). Here are some important virulence factors associated with STEC: These virulence factors play crucial roles in the pathogenesis of STEC infections, contributing to the colonization and damage of the intestinal … Read more
What is Enteroinvasive E. coli (EIEC)? Enteroinvasive Escherichia coli (EIEC) is a pathogenic bacteria that shares similarities with Shigella, a bacteria known to cause shigellosis. EIEC infections lead to a syndrome that closely resembles shigellosis, characterized by severe diarrhea and high fever. Unlike other types of E. coli, EIEC is highly invasive and enters intestinal … Read more
Definition of Terrestrial Ecosystem Features of Terrestrial Ecosystem The terrestrial ecosystem has the following characteristics: Types Of Terrestrial Ecosystems Different types of terrestrial ecosystems are widely dispersed throughout the geological zones. They consist of: 1. Desert Ecosystem 2. Forest Ecosystem Types of forest Ecosystem According to climate and tree type, they are divided into the … Read more
What is the Aquatic Ecosystem? Features of Aquatic Ecosystem Detailed characteristics of the aquatic ecosystem are depicted in the graphic below — Types of Aquatic Ecosystem There are two types of Aquatic Ecosystems, including; 1. Freshwater Aquatic Ecosystem a. Lotic Ecosystems b. Lentic Ecosystems c. Wetlands 2. Marine Aquatic Ecosystem a. Ocean Ecosystems b. Coastal … Read more
What is a Food Chain? A food chain refers to the sequence of events in an ecosystem in which one living organism consumes another, which is then consumed by a larger organism. A food chain is the movement of nutrients and energy from one creature to another at different trophic levels. Features of Food Chain … Read more
Energy Flow Energy Flow in Ecosystem Law of Thermodynamics in the Ecosystem Food Chain In the ecosystem, there are basically three different kinds of food chains. In nature, we mostly look at the food web because many living things eat both plants and animals. So, they live in more than one trophic level. Producers are … Read more
What are Ecological Pyramids? Definition of Ecological Pyramids Ecological pyramids are graphical representations that depict the distribution of energy, biomass, or numbers of organisms across different trophic levels in an ecosystem. Features of the Ecological Pyramid The Ecological Pyramid is a fundamental concept in ecology, offering a structured visual representation of the distribution and flow … Read more
What is Food Web? Definition of Food Web Characteristics of the food web Trophic Levels in a Food Web Energy Flow Types of Food Webs There are different kinds of food webs that differ in how they are put together and what they show or stress about the organisms in the ecosystem they show. Scientists … Read more
What is Moss? Definition of Moss Mosses are small, non-vascular plants belonging to the division Bryophyta that typically form dense green mats or clumps in damp or shaded environments, lacking seeds and reproducing through spores. Habitat of Mosses Mosses, representing a diverse group within the plant kingdom, exhibit a wide range of habitat preferences. Their … Read more
What is Tropism? Tropism refers to the inherent capability of an organism, predominantly plants, to orient or move in reaction to an external stimulus. This response is not learned but is an innate, genetically encoded behavior. The nature of the response is contingent upon the direction of the stimulus, distinguishing it from nastic movements, which … Read more
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0 revisions 23 min read 
