If we consider the positive possibility of false negative and false positive for tests on individual chicken. Veterinary have developed a procedure to determine if the H6N2 virus is present in the flock of chickens. The veterinary select ten chickens randomly from the flock and perform Elisa test of the blood sample from each and every one of the ten chickens.
By the conclusion of the veterinary if the H6N2 virus presents in flock if three out of ten chickens have positive Elisa.
Answer:
A. Fewer Nesting Sites.
Explanation:
if birds are spreading a disease to the trees that kills them off then that would lead to birds having less places for shelter, since that's the main thing they use trees for, unless were talking specifically about fruit and nut producing trees, then it would not only be lost of nesting sites, but it would also eventually be a loss of a food source as well.
Answer:
organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Explanation:
Examples:
The flowers color is compared.
Radish seedlings are measured in height
