Answer:
A Bacterium.
Explanation:
Bacterium reproduce much much faster than the other three, and with each generation, more chances of change in DNA
Pollution is the introduction of contaminants into the natural
environment that cause adverse change. Pollution can take the form of
chemical substances or energy, such as noise, heat or light. Pollutants,
the components of pollution, can be either foreign substances/energies
or naturally occurring contaminants. Pollution is often classed as point
source or nonpoint source pollution.
Hope this helps :p
Answer: Because a person is losing mass not weight.
Explanation: A person wants to lose the amount of matter in them, not the amount of gravity pulling on them. So they want to lose mass, not weight.
A thin layer of protein, within epithelial tissue, that anchors the epithelium to the extracellular matrix is the basement membrane. It separates the epithelium, mesothelium and the endothelium from the connective tissues underneath. It has two layers namely the basal lamina and the reticular connective tissue. Its main function is to anchor the epithilium to the dermis underneath the skin. It would act as a barrier in order to prevent malignant cells in invading tissues that are found deep within. It also important in the process of angiogenesis or the development of blood vessels where it increases the differentiation of the endothelial cells.