Is they are random changes I believe they should be mutations
Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
The attached picture shows how bacteria gain antibiotic resistance. Firstly, a few individuals attain a
beneficial mutation in their genetic material that accords them the capability to survive in an antibiotic. The
individuals are hence able to survive and
reproduce more than those individuals without the mutation. There is, therefore, a genetic
shift in the population in favor of the resistant genotype. After generations, the
whole population becomes antibiotic resistant.
It's called a mutualistic relationship! :)
I hope this helps!:)
The answer is fetal alcohol syndrome. It is a condition that an infant could experience when the mother who is pregnant is ingesting alcohol during her pregnancy. It could cause defects and disorder to the infant that it will make the infant to be born in a normal way. This could be classified as to mild or severe depending on the situation.