Answer:
C.
Explanation:
Biodiversity refers to the number of unique organisms within a region. C best explains that with the 1200 species of plant.
P.S. Thanks for separating the options. It´s a small detail that helps my eyes.
Lack of antibodies because thats the stuff to fight things away
Answer:
Eukaryotes are found in plants, animals, fungi, and protists
Answer:
Lateral meristematic tissue to grow wider and phloem and xylem for producing vascular tissue

your answer is given below..
The environment is rich in infectious agents that transmit disease through pathogens.