A Seine Net is drawn behind the boat, to gather microbes and plankton. The samples are then used for microscopic observations and instructions, to explain about the beginning of the food chain in our lakes, rivers and oceans.
A Seine Net is drawn behind the boat, to gather microbes and
plankton. The samples are then used for microscopic observations and instructions, to
explain about the beginning of the food chain in our lakes, rivers and oceans.
