The determinant is a real number, it is not a matrix. The determinant can be a negative number. It is not associated with absolute value at all except that they both use vertical lines. The determinant only exists for square matrices (2Ã2, 3Ã3, ...
Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest. Phytoplankton, also known as single-celled plants, grow in water-bodies and are similar to terrestrial plants in many ways. Since they require sunlight for photosynthesis, these plants usually grow on the surface of water, in the photic zone, where sunlight can penetrate. These plants also require other nutrients such as nitrate, magnesium, zinc, etc to grow.
Plankton occupy the pelagic zone of the water column, which is named after its pelagic inhabitants. Plankton may range in size from less than 2 micrometers to organisms larger than 200 micrometers. The category includes many different species of organisms in ocean and freshwater ecosystems. Plankton are divided into phytoplankton and zooplankton. Phytoplankton are photosynthetic and act as the primary producers in an aquatic environment. Zooplankton are heterotrophic and consume smaller plankton. Phytoplankton