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Biology: The 8 Characteristics of Life
Transcript of Biology: The 8 Characteristics of Life
The cell is the basic structural, functional and biological unit of all known living organisms. Cells are the smallest unit of life that can replicate independently, and are often called the "building blocks of life". The study of cells is called cell biology.
Homeostasis, also spelled homoeostasis is the property of a system in which variables are regulated so that internal conditions remain stable and relatively constant. Examples of homeostasis include the
4) Growth and Development
Human development is the process of growing to maturity. In biological terms, this entails growth from a one-celled zygote to
In physics, energy is a property of objects, transferable among them via fundamental interactions, which can be converted in form but not
Evolution is the change in the inherited characteristics of biological populations over successive generations. Evolutionary processes give rise to diversity at every level of biological organisation, including
Reproduction (or procreation) is the biological process by which new "offspring" individual organisms are produced from their "parents". Reproduction is a fundamental feature of all known life
In asexual reproduction, an individual can reproduce without involvement with another individual of that species. The division of a bacterial cell into two daughter cells is an example of asexual
Sexual reproduction typically requires the involvement of two individuals or gametes, one each from opposite type of sex. The propagation of organisms can also occur through cloning.
6) DNA or Genetic Code
Deoxyribonucleic acid (DNA) is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses. DNA is a nucleic acid; alongside proteins and carbohydrates, nucleic acids
7) Respond to Environment
The biophysical environment is the biotic and abiotic surrounding of an organism or population, and includes the factors that have an influence in their survival, development and evolution.