Answer:
Researchers also found that the longer a male's tail feathers, the faster he was able to shake them. This effort would require more muscular strength, and might be a powerful signal of fitness to the females.
Explanation:
With this x and y pair they are male
Carbon dioxide is essential to plant life and is a key part of the global carbon cycle. An important component of this cycle takes place when plants take in CO2 and break it down into carbon and oxygen through the process of photosynthesis. The carbon is stored in the plant and the oxygen is released to the atmosphere.
It's B. 10 to 20 percent.
A Wisconsin fast plant has 2n= 20 chromosomes
