Answer:
Option D, Gastric Juices
Explanation:
The second line of defense is a non specific defense mechanism in which no specific individual is targeted but all invaders are killed in general way. Some common mode of second line of defense are - Phagocytic cells (white blood cells), inflammatory responses, macrophage system etc. The second line of defense comes into action when the invader has surpassed the first line of defense which include either physical barrier like skin, mucous membrane, hair, cilia etc. or chemical barriers like gastric juices, saliva, Hyaluronic acid etc.
Hence, gastric juice does not belong to second line of defense.
Thus, option D is correct.
Chromosomes are lined up in the middle of the cell during metaphase.
The answer of this question is False
Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality. Correct answer is A
Answer:
Probobly The animal will probably not survive because it does not have
adaptations for that environment.
Explanation: