Stabilizing Selection | Definition, Causes & Exammples

By | October 31, 2019

Stabilizing Selection Stabilizing Selection Definition: The stabilizing selection is defined as the selective force or more forces that push the population toward the average or the median trait. The stabilizing selection is the descriptive term used for what happened to the trait of an individual when extremes of traits are selected against. This fact increases the trait frequency… Read More »

Dichotomous Key | Definition , Types, & Examples

By | October 30, 2019

Dichotomous Key Dichotomous Key Definition: What is dichotomous key: It is used for identifying a specific kind of object which contains a particular series of questions. When one question has been answered, the key is directed to the user for the next question. Typically, the dichotomous keys are stress to identify the species by their scientific name, because… Read More »

Decomposer | Definition, Structure , Types & Functions

By | October 29, 2019

Decomposer Decomposer Definition: A decomposer is defined as an organism that decomposes or breaks down the organic material including the remains of dead organisms. The decomposers are included bacteria and fungi. These organisms carry the process of decomposition that all living organisms undergo after death. The decomposition is an important process because it permits the organic material to… Read More »

Sex Chromosomes | Definition, Types & Examples

By | October 29, 2019

Sex Chromosomes Sex Chromosomes Definition What are Sex Chromosomes: They are a kind of chromosome that involves sex determination. Humans and most of the other mammals have two chromosomes for sex; X chromosome and a Y chromosome. Female has two X chromosomes in their genetic cells, and the male has a pair of both X and Y chromosomes… Read More »

Classification of Carbohydrates | Definition | Structures

By | October 29, 2019

Carbohydrates Definition The term “carbohydrates” is applied to a large number of relatively heterogeneous compounds found in all animals and plants. Carbohydrates are polyhydric alcohols with potentially active carbonyl groups which may either be aldehyde or ketone groups. They also include those components which yield them on hydrolysis. Some carbohydrates also contain N and S. Carbohydrates are also called… Read More »

Meiosis | Phases of Meiosis | Importance of Meiosis

By | October 29, 2019

Definition of meiosis: Meiosis is basically the type of cell division due to which that one parent cell divides into four daughter cells. And the number of chromosomes in each daughter cell is half the number of chromosomes of the parent cell. Phases of Meiosis briefly describe below. Why Meiosis is Important? Meiosis, from the Greek word “meioun”, meaning “to… Read More »

Phases of the Cell Cycle | Interphase | Mitotic Phase

By | October 29, 2019

Cell Cycle Definition The cell cycle is the procedure due to which a cell replicates its genetic material and produced the other rudiments of the cell and at the end of the process cell divided into two daughter cells the whole process is known as cell cycle”. Detail of Phases of the Cell Cycle Discusses Below. Phases of… Read More »

Chromosomes | Definition, Structure, Functions & Example

By | October 27, 2019

Chromosomes Chromosome Definition: What are chromosomes: The DNA molecules are tightly packaged within a nucleus with the help of the thread-like structure is known as chromosomes. Each chromosome is made by DNA tightly coiled many times around the proteins, known as Histones which help to support its structure. Each chromosome has a constriction point known as the Centromere,… Read More »

Trophic Level | Definition , Types & Examples

By | October 27, 2019

Trophic Level Trophic Level Definition: What is Trophic Level: In an ecosystem, a Trophic Level is a group of organisms that occupies the same level in the food chain. There are main five trophic levels in a food chain in which each is different in the nutritional relationship with the primary energy source. Trophic Level definition Biology : … Read More »