Answer:
<h3>The genes that caused scales to become feathers in the early ancestors of birds </h3>
We were not able to see microtubules, centrioles, rough endoplasmic reticulum, smooth endoplasmic reticulum, plasma membrane, ribosomes, golgi apparatus, vesicle, mitochondrion and chloroplast.
Explanation:
blood contains far fewer white blood cells than red blood cells , bud the body can increase the production of white blood cells to fight infection ...
If a person requires greater return when risk increases, that person is said to be:
risk averse