What enters the cell and becomes part of the cell's hereditary material without destroying the cell or replacating?

Identify the image that doesn’t depict a reproductive strategy. 1st image: a bird feeding their young residing in a nest. 2nd image: a lioness nestled with her young. 3rd image: leaves of a tree during the day time. 4th image: a fish gazing up at what appears to be bubbles or mosquito eggs.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?