Answer:
Only one chromosome from each pair randomly passed to the s*x cells during meiosis and leads to differences between the siblings.
Answer:
The stimuli is photoreceptor
Explanation:
The fish has been conditioned to react to light so it has conditioned response
B. plastic , the recycling of plastic would conserve fossil fuels
*The rate at which radioactive decay occurs.
*How much radioactive decay has occurred.
Zit sure has to be B. Pollution
