What is Adaptation? Definition of Adaptation Adaptation is the process by which an organism adjusts to its environment through changes in behavior, physiology, or structure, enhancing its chances of survival and reproduction. Types of Adaptations Adaptations are the features and behaviors that help organisms survive in their environments. These adaptations can be physical, behavioral, or … Read more
What is Evolution? Definition of Evolution Evolution is the process by which species change over time through the gradual accumulation of genetic variations, driven by mechanisms like natural selection, genetic drift, and mutation, leading to the development of new traits or species. Evolution Theory The theory of evolution explains how species change over time through … Read more
What is Tobacco mosaic virus (TMV)? Characteristics of Tobacco Mosaic Virus (TMV) TMV has a range of distinctive features that set it apart as a widespread and resilient plant virus, impacting several economically important crops, especially within the Solanaceae family. TMV’s combination of durability, wide host range, and ease of spread underscores the importance of … Read more
What are Plant Tissues? Plant tissues are organized cell groups within a plant that collectively enable essential life functions, like growth, protection, and nutrient transport. There are two main categories of plant tissues: meristematic and permanent. Meristematic tissues contain actively dividing cells that promote growth. Found in regions like root and shoot tips, these cells … Read more
What is Non-communicable disease? Types of Non-Communicable Diseases Non-communicable diseases (NCDs) are chronic health conditions that do not spread from person to person. These diseases are typically long-lasting and progress slowly. They can severely impact an individual’s quality of life and contribute to high mortality rates. NCDs are divided into several categories, each affecting different … Read more
What is Communicable Disease? Types of Communicable Diseases Communicable diseases are illnesses caused by pathogens, which can spread from one person or animal to another. These diseases are typically transmitted through various means, such as direct contact, contaminated food or water, blood, or bodily fluids. Here’s a breakdown of the main types of communicable diseases. … Read more
What is Cancer Cell? Definition of Cancer Cell A cancer cell is an abnormal cell that divides uncontrollably, ignores natural growth regulation, and can invade surrounding tissues or spread to other parts of the body. Characteristics of Cancer Cells Characteristics of Cancer Cells Cancer cells are fundamentally different from normal cells in ways that make … Read more
What do you mean by Biological Organization? The Historical Origins of Biological Organization The concept of biological organization has deep roots in the history of philosophy and science. From ancient Greek thought to the rise of modern biology, the idea of hierarchy in nature has evolved significantly. Early frameworks, such as Aristotle’s grading of living … Read more
What is Diffusion? Definition of Diffusion Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration, driven by random molecular motion, until equilibrium is reached. Types of Diffusion Diffusion is a critical process in biology, physics, and chemistry, where molecules move from an area of … Read more
What is Cell Differentiation? Definition of Cell Differentiation Cell differentiation is the process by which unspecialized cells, like stem cells, transform into specialized cells with distinct structures and functions, enabling the development and maintenance of complex tissues and organs in multicellular organisms. Factors Influencing Cell Differentiation In multicellular organisms, several key factors influence cell differentiation, … Read more
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