Search Results for: tall
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Ameranthropoides loysi
"Ameranthropoides loysi" (otherwise known as de Loys' Ape) is the unofficial name for a large primate supposedly... 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
Simple squamous epithelium
Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More
Polygenic inheritance
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More
Phenotypic ratio
Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More
Secondary succession
We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that initially were... Read More
Genotypic ratio
Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More
Polygenic trait
Polygenic Trait Definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More
Community Patterns
By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More
New Zealand’s Unique Flora
By: Maria Victoria Gonzaga In the previous lesson, we've come to know some of the most fascinating endemic... Read More
Bryophytes
Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More
Takahē (Porphyrio hochstetteri)
By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... 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
Exploitation competition
Definition noun (ecology) A form of competition wherein organisms indirectly compete with other organisms for resources by... Read More
Gibberellins and Gibberellic Acid
The family of gibberellins have a similar effect to that of auxins; they promote cell division and elongation. The major... Read More
Meiosis and Alternation of Generations
Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More
Triple-X syndrome
Definition noun A genetic condition in which a female has an extra X chromosome Supplement In humans, the sex chromosomes... Read More
Cuboidal epithelium
Definition noun, plural: cuboidal epithelia An epithelial tissue comprised of cuboidal epithelial cells, and is involved in... Read More
Simple cuboidal epithelium
Definition noun, plural: simple cuboidal epithelia Simple epithelium composed of cuboidal epithelial cells Supplement A... 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
Dichotomous
Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More
Growth and Plant Hormones
Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More
Macrophytes
Introduction Examples of Macrophytes. (Source: Canada's AquaticEnvironments) ... Read More
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More
Deciduous forest
Deciduous Forest Definition A deciduous forest is a type of forest dominated by trees that lose their foliage at the end of... Read More
Chromatids
Chromatid Definition Chromatids are found inside our cells. Chromatids are condensed chromosomes distinguishable during... 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
Xxy syndrome
XXY syndrome --> klinefelter's syndrome (Science: syndrome) A condition characterised by small testes with hyalinization... Read More
Complete dominance
Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More