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Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More

Agar

What Is Agar? Agar, also called agar agar, is a natural gelling agent derived from seaweed (specifically algae belonging to... Read More

Bone

The bone is an organ that forms the skeleton of vertebrates. It is formed from bone tissues, which are mineralized... Read More

Cell morphology

The basic essence for any living organism is its structural framework which includes appearance, form, and the... Read More

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More

Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Disruptive Selection

An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More

Dimorphism

Dimorphism Having two different distinct forms of individuals within the same species or two different distinct forms of... Read More

Exon

When we look at the genome sizes and the organism complexity, it becomes quite confusing at times. This is because we... Read More

Stipulate

Stipulate Definition Stipulate meaning: Stipulate typically refers to a specific feature or characteristic of a plant's... Read More

Demographic transition

The demographic transition model is a theoretical framework that explains the historical shift in population dynamics as a... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Constitutive heterochromatin banding

Definition noun (cytogenetics) A selective banding technique wherein a banding pattern is produced in the constitutive... Read More

Leaves

Leaves are highly efficient solar energy converters. They capture light energy and through the process of photosynthesis.... Read More

Adaptive Radiation

Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... 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

Spongioplasm

Definition noun (1) The network or reticulum formed by the fibrils or granules thinly scattered in the cytoplasm. (2) The... Read More

Genetic variability

Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More

Cell Structure

The interior of human cells is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Maxam-Gilbert sequencing

Definition noun A DNA sequencing technique developed in 1976-1977 by Allan Maxam and Walter Gilbart to identify the sequence... Read More

Living things

Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More

Tight junction

What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... Read More

Heterochrony

Definition noun, plural: heterochronies Refers to the rate of morphological transformations accomplish by the developmental... Read More

Density dependence

Definition noun (population ecology) An effect in which the intensity changes with the increasing population density, e.g.... Read More

Nucleolar organizer region banding

Definition noun (cytogenetics) A chromosome banding method that employs silver staining to preferentially stain the... Read More

Quinacrine banding

Definition noun (cytogenetics) A chromosome banding method that treats chromosomes with quinacrine dihydrochloride to reveal... Read More

T-banding

Definition noun (cytogenetics) A modified reverse chromosomal banding technique wherein the telomeres are strongly stained... Read More

Giemsa banding

Definition noun (cytogenetics) A chromosome staining technique that employs Giemsa stain in order to produce a... Read More

Species

Every living organism is unique when you observe its morphological, anatomical, molecular, genetic, biochemical, chemical,... Read More

Pollen Grain

What are Pollen Grains? Plants are unique structures and so they carry out mechanisms in special ways. Fertilization in... 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

Udden-wentworth scale

Udden-Wentworth scale (Science: plant biology) A geometric scale of grain sizes which classifies particles of siliciclastic... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More