Our elbow bends all the time, we bend it when we pick up things, when we eat, when we do mostly everything. Cows on the other hand dont pick up food with there feet, they use there mouths, and they probably only bend when they are walking.
Each person then has 4 total alleles that determine their eye color. The B allele (brown) is always dominant. The blue eye trait is always recessive.
Answer:
The answer is:
D.It provides a safe place for offspring to grow.
Explanation:
The survival of offspring is crucial, especially in the bird world.If you lose offspring, there will be no future for your kind because you lost the new ones.
Because some of them are immune and only works for one thing in the system
