Answer:
Plates are floating and sliding on the asthenosphere. After millions of years the plate movement allows continents to move.
Explanation:
Continents lie on tectonic plates that are constantly shifting, which eventually caused the continents to change location.
The antibodies to the HIV virus may take up to three months to appear in the blood of the infected person.
Therefore, the second blood test is necessary three months after a person thinks that he/she has been exposed to HIV to check the presence of these antibodies and confirm whether the person is infected or not.
Answer:
While protozoans evolved early and have survived to the present day as unicellular organisms, they have undoubtedly undergone considerable evolutionary change. So the role they have is rather big because they where here from early days. Animals could of adopted and learned from them
Explanation:
Answer:
The genes for flower color and pollen shape are linked.