Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
Answer:
Acquired mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
Explanation:
The body of mushroom is made up of slender filaments that are called Hyphae.