There are two ways that can be used to name isotopes of an element. This is best illustrated by examples. We'll use the element chlorine for simplicity.
The first example is the more common one. The formula for this notation is E-m where E is the name of the element and m is the mass number.
(1) Chlorine-35
(2) Chlorine-37
(3) Chlorine 38
Another is less commonly used. The formula for this notation is m^ a L where m is the mass number, a is the atomic number and L is the first letter of the element.
(1) 35^ 35 Cl
(2) 37^ 35 Cl
(3) 38^ 35 Cl
The set point is the normal, or target, value for something.
The physical characteristics of an organism is its phenotype. I remember this because phenotype and physical both start with 'ph.'
Hope this helps. Good luck! :)
Answer:
c) allowing an organism to adjust to changes in environmental conditions
Explanation:
A stimulus can be defined as any change in the external or internal environment that produces a corresponding response in the organism. These responses enable the organism to maintain an internal equilibrium (homeostasis). Gene expression in prokaryotes, which are the simplest forms of life, is highly regulated by environmental stimuli. Some examples of stimuli known to regulate gene expression patterns in prokaryotic organisms are light, water, pressure, temperature, etc.
