Answer:
The act of observing or making an observation.
Explanation:
Epigenetic theory states that the tissues and the form of an organism arise in an organized and sequential manner from the undifferentiated cells of the fertilized egg.
Many environmental factors tag the certain genes in the fertilized egg that may either suppress or activate them. These tags may certainly impact the genetic inheritance being passed to the offspring.
Hence, the given blank can be filled with' impact the genetic inheritance being passed to the offspring'.
Answer:
The correct answer is a mantle.
Explanation:
A mantle refers to an essential component of the body of molluscs. It refers to a delicate covering produced from the body wall that at certain occasions get strengthened by calcium carbonate.
In various species of molluscs, the epidermis of the mantle discharges calcium carbonate and produces a shell over the entire body. The mantle encloses the stomach, heart, gonads, and intestines of the molluscs.