Answer:
a process where living organisms develop and change during the history of earth to help them survive
In the lysogenic cycle, a virus integrates its DNA into the host's DNA, and its DNA is replicated when the host DNA is replicated.
Answer:
Snow falls on a glacier and is gradually compacted into ice over many years.
Explanation:
Option D is correct because it directly related to the phenomenon of transferring water from the atmosphere to the cryosphere. The cryosphere is the frozen part of Earth that mainly represent Antarctica and the Arctic. Therefore, snow falling on the glacier and continuous compacting over the years represent the transferring of water from the atmosphere to the cryosphere.
One the other hand, A, B, and C are incorrect options. A describes a phenomenon in which atmospheric water restore groundwater storage via seepage. B represents a situation where frozen water (cryosphere) melts and form surface water (oceanic water.) C is a condition where evaporation causes drying of a river resulting in drought.
Answer:
Clonal selection can be defined as methods or processes that shows(describes) tthe way lymphocytes do react or respond to the various different types of antigens present in a particular body. Clonal selection is of the notion that lymphocytes are taken during antigen presentation .
Explanation:
Clonal selection is important as it is sometimes used during negative selection during T cell maturation. it is believe to be a major cause mutations of antigen-binding affinity in memory cells during clonal expansion .