Answer:
the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
Explanation:
Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. Despite the complexity of the science, there are certain unifying concepts that consolidate it into a single, coherent field. Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species. Living organisms are open systems that survive by transforming energy and decreasing their local entropy to maintain a stable and vital condition defined as homeostasis
The area of California in which we live is dry and arid, and yet we see grass growing in large areas around homes and office buildings. This practice is not only wasting water but is costing the city too much money—money that could be used for other projects.
Answer:
buying is refer for small products
Purchasing is refer for contracts and big products
Explanation:
buying and purchasing are considered as synonyms and both term that are often used interchangeably, these both terms meaning to acquire something against money
Buying an item is considered general term and very commonly used to refer to everyday goods and buying is refer for small products
example ; I bought a new phone
and
Purchasing an item is considered to be more formal word than the buying an item and Purchasing is refer for contracts and big products
example ; I purchased a piece of land
