Briefly answer the following questions.
State any two harms caused by fungi.

Briefly answer the following questions. Name any two antibiotics of bacterial origin.

Briefly answer the following questions. What are the organs of locomotion in an earthworm and starfish?

Briefly answer the following questions. What are the main types of plant tissues?

Briefly answer the following questions. Anaerobic respiration by yeast cells yields two end products. Name them.