Answer:
Virus can survive independently for many years.
Explanation:
independently because they cant live if they cant connect to the host cell
Answer:
Hey!
Here's why its important:-
When a foreign antigen reaches one’s blood, it stimulates the defense mechanism. On receiving unmatching blood, the antigen present in the donor's blood and the antibody present in the recipient's blood will react with each other and form a blood clot. Hence, everyone cannot receive blood from all blood groups.
Answer:
The diagram is depicting that light energy from the sun, carbon dioxide from air and water from soil are required for producing sugars and oxygen by the plant. The sugars produced by the process of photosynthesis is glucose. Oxygen is produced as by-product of this reaction. The glucose produced by the plant cells is utilized to carry out essential functions whereas the oxygen is mostly released into the air and it is also used for cellular respiration.
