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  1. 4 days ago · biology, study of living things and their vital processes. The field deals with all the physicochemical aspects of life. The modern tendency toward cross-disciplinary research and the unification of scientific knowledge and investigation from different fields has resulted in significant overlap of the field of biology with other scientific ...

  2. Jan 22, 2021 · Natural science is a branch of science that seeks to understand natural phenomena, i.e. the processes we see in nature. This is distinct from theoretical sciences (such as mathematics or philosophy) which aim to come up with theories that can explain these natural phenomena. Natural science is a very broad subject composed of five main branches.

  3. May 30, 2017 · Cell Cycle Definition. The cell cycle is a cycle of stages that cells pass through to allow them to divide and produce new cells. It is sometimes referred to as the “cell division cycle” for that reason. New cells are born through the division of their “parent” cell, producing two “daughter” cells from one single “parent” cell.

  4. Apr 28, 2017 · Polar Molecule Definition. A polar molecule is a chemical species in which the distribution of electrons between the covalently bonded atoms is not even. Polarity is a description of how different the electrical poles of a molecule are. If they are highly different, it can be said that the species is a highly polar molecule.

  5. Jun 16, 2022 · A limiting factor is an environmental factor or variable that has the capacity to restrict the growth, abundance, or distribution of a population in an ecosystem. These factors are present in limited supply. Thus, organisms tend to compete for their limited availability in the ecosystem. Different limiting factors affect the ecosystem.

  6. May 29, 2023 · Fitness refers to the biological condition in which a competing variant is increasing in frequency relative to other competing variants in a population. In general, fitness pertains to the state or quality of being fit, e.g. physically or mentally, as in physical fitness. It means the capability to perform a function based on its suitability.

  7. Feb 13, 2017 · Definition. The nervous system maintains internal order within the body by coordinating the activities of muscles and organs, receives input from sense organs, trigger reactions, generating learning and understanding, and providing protection from danger. This is primarily conducted through electrochemical signaling between nerves and other cells.