Search Results for: sunlight
Primary productivity
Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More
Community Patterns
By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More
Abiotic factor
An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... 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
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Lights’ Effect on Growth
Plants are the primary producers of energy in any ecosystem, meaning that they bring in new energy to it which supports... 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
Environmental resistance
Environmental Resistance Definition Environmental resistance is such a process in which certain different elements or... 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
Plant Auxins – Phototropism & Geotropism
As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More
Apical bud
Apical Bud Definition The apical bud is the type of bud located at the top (apex) of the plant, particularly at the very... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More
Catabolism
Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More
Freshwater Communities & Lentic Waters
Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More
photomedicine
Photomedicine Definition Photomedicine is a branch of medicine that specializes in the therapeutic application of light. As... Read More
Phototroph
Definition noun, plural: phototrophs An organism, typically a plant, obtaining energy from sunlight as its source of energy... Read More
Chloroplast
Chloroplast Definition What is chloroplast? In biology, a chloroplast refers to the organelle found within the cell of... Read More
Intraspecific competition
Definition noun (ecology) A form of competition between members of the same species Supplement In biology, competition... Read More
Photoautotroph
Definition noun, plural: photoautotrophs An organism, typically a plant, obtaining energy from sunlight as its source of... Read More
Limiting factor
Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... Read More
Interspecific competition
Interspecific Competition Definition In Biology, competition is defined as the process that occurs among species that have... Read More
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
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Density dependent factor
Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More
Light-independent reaction
The process of photosynthesis is a biological procedure in which plants produce oxygen and energy (sugar) by using light... Read More
Still Water Animals
Through millions of years of evolution, animals living in an aquatic environment have diversified to occupy the ecological... Read More
Metabolism
Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More
Pollution in Freshwater Ecosystems
As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More
Ecosystem Succession
Just one of the amazing aspects of life on Earth is that it spreads to all areas where the habitat will allow it to survive.... Read More
