Answer:
Explanation:
To calculate number of organism in the population can be calculated as thus.
20/100 = 0.2
Total population = 165 X 0.2 = 33
Answer:
primary, secondary
Explanation:
primary immunodeficiency diseases are present at birth and usually stem from genetic errors, whereas secondary immunodeficiency diseases are acquired after birth and are due to agents such as infections, irradiation, or steroids
Answer:
C
Explanation:
The deposition of pesticides in the bond with result to increase in bacteria that breakdown the chemicals for energy. This provides ‘food’ for bacteriophages and then food for algae that will thrive in the pond. They take up oxygen from the pond and make the waters anoxic. The fish will, therefore, be smothered and their numbers will reduce in the pond.
What are the choices....I would say the sea because I really don't understand what your trying to ask