Answer:
D. It’s only useful for monitoring organisms that are fixed in one place.
Explanation:
Point count method of population monitoring involves standing in a specific location and counting a population of animals, usually birds. The number of birds or the specie of bird within a circle of a specific radius is counted. The radius is usually made as big as possible in order to maximize information gathering. This type of population monitoring method can only be used for animals that have fixed location, for instance, birds living in a particular ecosystem.
It is basic. I don’t know if I’m answering your question correctly.
Answer:
Frog - The frog has three respiratory surfaces on its body that it uses to exchange gas with the surroundings: the skin, in the lungs and on the lining of the mouth. ... A frog may also breathe much like a human, by taking air in through their nostrils and down into their lungs.
Tadpole - Tadpoles open their mouths as they swim and take in water. As the mouth closes, muscles transfer the water to the gills. These consist of thin membranes called lamellae, which take oxygen from the water where it enters the blood stream through the process of diffusion.
