Plankton and the open sea

Series: Biology Series Unit 2 - Ecosystems

Duration: 19

Year Published: 1962

Creator: encyclopedia britannica

Format: 16mm

Color: Color

Description: Distribution of plankton; dependence of one kind on another; how an attempt is made to determine the amount of food available at the base of the marine food chain., Describes many types of plankton and shows procedures and methods used in gathering water samples and plankton from the open sea. Illustrates several experiments and tests used in analyzing the material. Points out that these small animals and microscopic organisms provide the basis upon which the food chain develops in the open sea.

Complete Record: Distribution of plankton; dependence of one kind on another; how an attempt is made to determine the amount of food available at the base of the marine food chain., Describes many types of plankton and shows procedures and methods used in gathering water samples and plankton from the open sea. Illustrates several experiments and tests used in analyzing the material. Points out that these small animals and microscopic organisms provide the basis upon which the food chain develops in the open sea.NOTE: Two (or more) records have been merged together to create this data.