The mark and recapture method of determining population size is always more effective than the sampling method.

The statement above is FALSE.

The mark and recapture method of determining population size is not always more effective than the sampling method. The mark and recapture method involves capturing organisms from a particular population, marking them and then releasing them to go. This method is usually used to estimate the number of individuals in a population in a situation where it is not practical to count the whole population.

The sampling method involves using quadrats to count the specific amount of individuals in a particular population. This method is usually used to estimate the number of plant species or small organisms such as insects in a particular environment.

it has to be understood that the sea water contains a huge amount of sodium and chlorine ions and if they enter the cell of the atlantic cod fish, the cell will shrivel and the fish will die. to avoid such a condition, the fish uses active transport for the purpose of removing the ions against the gradient.

explanation:

the atlantic cod is not a maritime osmoconformer. its native application of salts is less than that of the seawater it lives in. it is continually falling water from the gills to the ocean via osmosis.

countering that, the fish is going to be swallowing seawater. but since its internal collection of salts is lower than seawater, the fish will want to go free of excess salt, and since that's going upon a gradient, then active transport, requiring energy, must be used to pump out the salt. much marine fish use the organs to filter out the salt and these fish discharge very straight urine.