Medicine is focused on growing specialized tissues for spinal cord injuries, diabetes, cancer, multiple sclerosis, parkinson’s disease, and many other currently unthought-of applications. a. regenerative
b. specialized
c. genetic
d. human enhancement

Regenerative medicine

Explanation:

Regenerative medicine can be defined as a branch of translational research in tissue engineering and molecular biology that deals with replacing, engineering or replace human or animal cells, tissues or organs to restore normal functioning.

It also develops method to regrow, repair or replace damaged or diseased cells, organs or tissues.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.