B. an allele frequency changes in a population.
A warning sign. cross road ahead. Slow down look carefully in all directions
Answer:
Telomeres
Explanation:
Telomeres are present at the ends of chromosomes and prevent the lose of genes. They shorten as a person ages. Thus lengthening them may slow down age related problem.
As the ball rises it DECREASES kinetic energy which means it INCREASES in gravitational potential energy
Answer:
Reproduction is the ability of living organisms to give rise to new individuals of the same species.
Respiratory system includes all the structures and organs of living organisms associated with the process of taking oxygen into the body and giving out carbon dioxide and water vapour into the environment.
