This is more chemistry, than biology...but its ok.
If you look at the Periodic Table, Calcium has an ionic charge of 2+ and Chlorine has an ionic charge of -1.
Using the rule of cross multiplication when forming a compound, where you swap the charges and change the charges to atoms, you get CaCl2
Therefore, 2 atoms of Chlorine would be needed to bond with one calcium atom.
I believe it is called divergent evolution, which is the accumulation of differences between groups which can lead to the formation of new species, usually a result of diffusion of the same species to different and isolated environments which blocks the gene flow among the distinct populations allowing differentiated fixation of characteristics.
Hope this helps! :)
Answer:
its B option 90% of our body is made up of protien so deficiency of protiens causes serious problems.
Explanation:
In systemic circulation, a drop of blood that is rich in oxygen in the left atrium will first travel through the bicuspid valve to reach the left ventricle. From there it will be pumped through the aortic semilunar valve to reach the aorta which will branch into arterioles.
The blood exiting the capillaries is poor in oxygen and will first travel in venules, which will fuse into bigger veins. Eventually the blood will enter into the right ventricule via either superior vena cava or inferior vena cava.
<h3>What is Systemic circulation?</h3>
This involves blood vessels supplying oxygenated blood to and returning deoxygenated blood from the tissues of the body.
The appropriate processes and steps can be seen above.
Read more about Systemic circulation here brainly.com/question/11478881
Answer:
The coelom allows for compartmentalization of the body parts, so that different organ systems can evolve and nutrient transport is possible. Additionally, because the coelom is a fluid-filled cavity, it protects the organs from shock and compression.
Explanation:
