Search Results for: food chain
Food chain
Everything is a cycle in life. The way organisms consume their food also follows a cycle. This is usually described as the... Read More
Trophic level
In ecology, a trophic level pertains to a position in a food chain or ecological pyramid occupied by a group of organisms... Read More
Decomposer
Decomposer Definition The organisms that carry out the process of decay or breakdown of the dead organism are known as... Read More
Contamination
Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More
Biotic factor
Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More
Freshwater Community Energy Relationships – Producers & Consumers
The previous tutorial on producers and consumers noted the reliance that organisms have on one another to obtain energy to... Read More
Freshwater Producers and Consumers
There are four main constituents of the living environment that form the freshwater ecosystem, they are as follows. ... Read More
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More
Secondary consumer
Definition noun, plural: secondary consumers Any organism that consumes or feeds largely on primary consumers, as well as... Read More
Primary consumer
Definition noun, plural: primary consumers Any organism that consumes or feeds on autotrophs Supplement A food chain is... Read More
Heterotroph
Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Biological magnification
Definition noun, plural: biological magnification The increasing concentration of a particular substance (e.g. toxin) as it... Read More
Fermentation
Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More
Population Regulation in an Ecosystem
Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More
Chlorophyll
Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Light-dependent reaction
Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More
Chemoautotroph
Definition noun, plural: chemoautotrophs An organism (typically a bacterium or a protozoan) that obtains energy through... Read More
Reducing sugar
Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More
Origins of Life on Earth
Although Earth was created around 4.5 billion years ago, life began to exist not long after. Due to the huge timescales... Read More
The Dinosaurs
Everyone has heard about the dinosaurs. No doubt one of the reasons why is because of their size, another being the fact... Read More
Tertiary consumer
Definition noun, plural: tertiary consumers Any organism that consumes or feeds largely on primary and secondary... Read More
Photoautotroph
Definition noun, plural: photoautotrophs An organism, typically a plant, obtaining energy from sunlight as its source of... Read More
Anaerobic respiration
Anaerobic Respiration Definition What is anaerobic respiration? Anaerobic (cellular) respiration is a respiratory process... Read More