Answer:
point mutation, change within a gene in which one base pair in the DNA sequence is altered. Point mutations are frequently the result of mistakes made during DNA replication, although modification of DNA, such as through exposure to X-rays or to ultraviolet radiation, also can induce point mutations
Because evolution occurs when something happens, and the organism needs to adapt. Events aren't fixed, and they're definitely not random either
Answer: Inorganic compounds <em>are </em>made of elements.
Explanation: Everything in the universe, whether living (organic) or not (inorganic), is made of elements.
Answer:
An ecosytem
Explanation:
I am pretty sure this is right since I just took bio couple of weeks ago. :)