I think so correct Ans : D
Answer:
Both the nature of the gene and its environment can influence the mutation rate.
Explanation:
Mutations are caused by environmental factors known as mutagens.
Types of mutagens include
- radiation,
- chemicals, and
- infectious agents.
Both the mushroom and the gecko are heterotrophs: they need to acquire their food from other sources. The tree, on the other hand, is an autotroph--it gains most of its nutritional needs through photosynthesis.