Because the three-horned alien is heterozygous, we know that three must be dominant to four, because the gene for the three horns is "hiding" the gene for four horns. Therefore, the three-horned alien has the genotype Tt (T for three horns, and t for four horns). The four horned alien must be tt, because that is the only way that a recessive trait may be seen. If you solve the punnet square on a cross between Tt and tt, you end up with half three (heterozygous) and half four (homozygous recessive) it is a bit easier to explain with something a little "closer to home" if you want me to explain it again, just say so, I don't mind!
B) Chemical Energy
It makes light energy into chemical energy for the plant to use.
Hope this helps :)
1. All living things are made of cells.
2. The purpose of the cell is to organize.
3. Cells are made of organelles
4. Cells are made of proteins.
5. There are many many cells in a living thing.
Blood passes from the right ventricle to the <u>Pulmonary valve </u>and then the <u>Pulmonary artery</u> before reaching the lungs to pick up oxygen
<h3>Blood circulation procedure </h3>
When the blood enters the right ventricle it contracts and sends the blood through the Pulmonary valve before it reaches the Pulmonary artery which is passes the blood to the Lungs where it becomes oxygenated.
Hence we can conclude that Blood passes from the right ventricle to the <u>Pulmonary valve </u>and then the <u>Pulmonary artery</u> before reaching the lungs to pick up oxygen.
Learn more about Blood circulation : brainly.com/question/25149738
Answer:
A watershed – the land area that drains to a stream, lake or river – affects the water quality in the water body that it surrounds. ... They are influenced by naturally varying lake levels, water movement to and from groundwater, and amount of stream flow.
Explanation:
