Answer: to study genetics
Ultraviolet sun rays it damages the cells and can cause skin cancer.
Scientists start with general observation and then make a hypothesis
Answer:
2nd
Explanation:
Phenotype is the organism apperence (physical)
Answer and explanation;
-Paramecium is an entire organism, and has to carry out all of life's function. A cheek cell is just an epithelial cell that doesn't have much because cheek cells are a part of a larger organism, therefore, they don't need to be mobile. Paramecium are free living , thus they need to be able to seek out food on their own.
-Organisms made of more than one cell are called multicellular organisms. The number of cells being less in smaller organisms does not, in any way, affect the functioning of the organisms. therefore a paramecium functions like any other living organism and has to attain activities such as nutrition and reproduction; etc.
