Answer: The correct answer is-
an agent that causes a mutation in DNA.
Mutagen is an agent or a substance that causes permanent change in the genetic material of living organisms ( DNA, deoxyribonucleic acid). This process is called mutation.
A mutagen can be a chemical, physical or biological agent that causes mutation in the DNA.
Example- Physical agents such as -
- Ionizing radiations like alpha particles, gamma rays, X-rays that brings break in the DNA and cause other damages.
- Ultraviolet radiations that creates pyrimidine dimers ( T=T) and causes replication errors if damage is not repaired.
Answer:
First, the last picture
second, the third picture
third, the second or first (the picture is blurr so i dunno)
then the last is, the fourth.
sorry if wrong.
C- mushroom
Mushrooms break down (decompose) dead cells of animals and plants.
Algae, lichen, and oak trees go through photosynthesis and are producers.
I’m assuming it’s all of the above
