Fruit flies produce offspring relatively fast and have specific traits, such as eye color and body color/shape. They are easy to observe and their traits are easily traced throughout the next generations.
Its B clearing and farming. Because if you think of it when someone clears trees and bushes they most likely won't come back.
From what I can tell, The answer is either A or B. Mammals have what is called an Endoskeleton, which means that their skeletons are inside their bodies. A way to remember this is Exo- is similar to exit and when you exit something then you are going outside. Endo- sounds like into, which can relate to being on the inside. Insects have Exoskeletons, which are made from Chitin. Now Agonists are also called Prime Mover muscles, which means they are practically the same thing.
A gamete of this organism will have half that number (50), the haploid number of 25 chromosomes.
gene pairs - AABBCCDdEeFfGgHhIiJj
number of possible types of eggs - 1*2*2*2*2*2*2*2=128
reply "a" is good
