Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
These are similar because they both included desired characteristics. They are different because artificial selection has to do with humans being involved. where natural selection is with out humans being involved and is life or death.
Answer:
The high yielding property of a plant species would be most useful for meeting the scientists’ goal.
Explanation:
In selective breeding, we develop a new variety by crossing a wild specie with the domestic growing variety in order to achieve the characteristic which is present only in wild specie. So with the help of selective breeding, this characteristics is transferred to the offspring. The main goal of scientist is to produce such variety which produces maximum yield and also good quality seeds.
B. The nervous system collects and responds to information about the external and internal environment.
